Q: What is the sum of all factors of the number 12,243,440 excluding 12,243,440?

A: 18,812,608

Why is 18,812,608 the sum of all factors of 12,243,440, excluding 12,243,440?

The factors of the number 12,243,440 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13913, 27826, 55652, 69565, 111304, 139130, 153043, 222608, 278260, 306086, 556520, 612172, 765215, 1113040, 1224344, 1530430, 2448688, 3060860, 6121720, 12243440.

If you add them up, you will get the total of 12,243,458. Now subtract 12,243,440 to get 18,812,608