Q: What is the sum of all factors of the number 8,137,878 including 8,137,878?

Why is 18,869,760 the sum of all factors of 8,137,878, including 8,137,878?

The factors of the number 8,137,878 are: 1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2729, 2982, 5458, 8187, 16374, 19103, 38206, 57309, 114618, 193759, 387518, 581277, 1162554, 1356313, 2712626, 4068939, 8137878.

If you add them up, you will get the total of 18,869,760.

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