19590736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1507

約数の個数: 40

約数和(自身を含む): 41961600

約数和(自身を除く): 22370864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1409, 1738, 2818, 3476, 5636, 6952, 11272, 13904, 15499, 22544, 30998, 61996, 111311, 123992, 222622, 247984, 445244, 890488, 1224421, 1780976, 2448842, 4897684, 9795368, 19590736]

約数ペア:

[(1, 19590736), (2, 9795368), (4, 4897684), (8, 2448842), (11, 1780976), (16, 1224421), (22, 890488), (44, 445244), (79, 247984), (88, 222622), (158, 123992), (176, 111311), (316, 61996), (632, 30998), (869, 22544), (1264, 15499), (1409, 13904), (1738, 11272), (2818, 6952), (3476, 5636)]