19637360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5987}}^1$

素因数の和:6041

約数の個数: 40

約数和(自身を含む): 46778256

約数和(自身を除く): 27140896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5987, 11974, 23948, 29935, 47896, 59870, 95792, 119740, 239480, 245467, 478960, 490934, 981868, 1227335, 1963736, 2454670, 3927472, 4909340, 9818680, 19637360]

約数ペア:

[(1, 19637360), (2, 9818680), (4, 4909340), (5, 3927472), (8, 2454670), (10, 1963736), (16, 1227335), (20, 981868), (40, 490934), (41, 478960), (80, 245467), (82, 239480), (164, 119740), (205, 95792), (328, 59870), (410, 47896), (656, 29935), (820, 23948), (1640, 11974), (3280, 5987)]