18945115808

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{99989}}^1$

素因数の和:100221

約数の個数: 48

約数和(自身を含む): 38703329280

約数和(自身を除く): 19758213472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 191, 248, 382, 496, 764, 992, 1528, 3056, 5921, 6112, 11842, 23684, 47368, 94736, 99989, 189472, 199978, 399956, 799912, 1599824, 3099659, 3199648, 6199318, 12398636, 19097899, 24797272, 38195798, 49594544, 76391596, 99189088, 152783192, 305566384, 592034869, 611132768, 1184069738, 2368139476, 4736278952, 9472557904, 18945115808]

約数ペア:

[(1, 18945115808), (2, 9472557904), (4, 4736278952), (8, 2368139476), (16, 1184069738), (31, 611132768), (32, 592034869), (62, 305566384), (124, 152783192), (191, 99189088), (248, 76391596), (382, 49594544), (496, 38195798), (764, 24797272), (992, 19097899), (1528, 12398636), (3056, 6199318), (5921, 3199648), (6112, 3099659), (11842, 1599824), (23684, 799912), (47368, 399956), (94736, 199978), (99989, 189472)]