18854990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 43296768

約数和(自身を除く): 24441778

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 47, 55, 70, 77, 94, 110, 154, 235, 329, 385, 470, 517, 521, 658, 770, 1034, 1042, 1645, 2585, 2605, 3290, 3619, 3647, 5170, 5210, 5731, 7238, 7294, 11462, 18095, 18235, 24487, 28655, 36190, 36470, 40117, 48974, 57310, 80234, 122435, 171409, 200585, 244870, 269357, 342818, 401170, 538714, 857045, 1346785, 1714090, 1885499, 2693570, 3770998, 9427495, 18854990]

約数ペア:

[(1, 18854990), (2, 9427495), (5, 3770998), (7, 2693570), (10, 1885499), (11, 1714090), (14, 1346785), (22, 857045), (35, 538714), (47, 401170), (55, 342818), (70, 269357), (77, 244870), (94, 200585), (110, 171409), (154, 122435), (235, 80234), (329, 57310), (385, 48974), (470, 40117), (517, 36470), (521, 36190), (658, 28655), (770, 24487), (1034, 18235), (1042, 18095), (1645, 11462), (2585, 7294), (2605, 7238), (3290, 5731), (3619, 5210), (3647, 5170)]