The players will have two weeks off before leaving for London on August 31.
They will also take part in a training camp in Portugal before their opening match of the tournament against holders New Zealand on September 20.
Argentina, who are favourites to qualify from Pool C alongside the All Blacks, will be hoping to emulate their previous best World Cup performance, third place in 2007.
Squad:
Forwards: Matias Alemanno, Marcos Ayerza, Agustin Creevy, Matias Diaz, Juan Fernandez Lobbe, Ramiro Herrera, Facundo Isa, Tomas Lavanini, Juan Manuel Leguizamon, Pablo Matera, Julian Montoya, Lucas Noguera Paz, Javier Ortega, Guido Petti, Leonardo Senatore, Nahuel Tetaz Chaparro
Backs: Horacio Agulla, Marcelo Bosch, Santiago Cordero, Tomas Cubelli, Jeronimo De La Fuente, Lucas Gonzalez Amorosino, Santiago Gonzalez Iglesias, Juan Martin Hernandez, Juan Imhoff, Martin Landajo, Matias Moroni, Nicolas Sanchez, Juan Pablo Socino, Joaquin Tuculet
- AFP
-AAP