13218490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2454

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 12701510

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2399, 2755, 4798, 5510, 11995, 23990, 45581, 69571, 91162, 139142, 227905, 347855, 455810, 695710, 1321849, 2643698, 6609245, 13218490]

約数ペア:

[(1, 13218490), (2, 6609245), (5, 2643698), (10, 1321849), (19, 695710), (29, 455810), (38, 347855), (58, 227905), (95, 139142), (145, 91162), (190, 69571), (290, 45581), (551, 23990), (1102, 11995), (2399, 5510), (2755, 4798)]