18533886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 25979394

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 47, 82, 94, 123, 141, 229, 246, 282, 287, 329, 458, 574, 658, 687, 861, 987, 1374, 1603, 1722, 1927, 1974, 3206, 3854, 4809, 5781, 9389, 9618, 10763, 11562, 13489, 18778, 21526, 26978, 28167, 32289, 40467, 56334, 64578, 65723, 75341, 80934, 131446, 150682, 197169, 226023, 394338, 441283, 452046, 882566, 1323849, 2647698, 3088981, 6177962, 9266943, 18533886]

約数ペア:

[(1, 18533886), (2, 9266943), (3, 6177962), (6, 3088981), (7, 2647698), (14, 1323849), (21, 882566), (41, 452046), (42, 441283), (47, 394338), (82, 226023), (94, 197169), (123, 150682), (141, 131446), (229, 80934), (246, 75341), (282, 65723), (287, 64578), (329, 56334), (458, 40467), (574, 32289), (658, 28167), (687, 26978), (861, 21526), (987, 18778), (1374, 13489), (1603, 11562), (1722, 10763), (1927, 9618), (1974, 9389), (3206, 5781), (3854, 4809)]