Q: What is the sum of all factors of the number 19,278,320 excluding 19,278,320?

A: 25,730,704

Why is 25,730,704 the sum of all factors of 19,278,320, excluding 19,278,320?

The factors of the number 19,278,320 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 607, 794, 1214, 1588, 1985, 2428, 3035, 3176, 3970, 4856, 6070, 6352, 7940, 9712, 12140, 15880, 24280, 31760, 48560, 240979, 481958, 963916, 1204895, 1927832, 2409790, 3855664, 4819580, 9639160, 19278320.

If you add them up, you will get the total of 19,278,345. Now subtract 19,278,320 to get 25,730,704