18210996

素因数分解:

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

素因数の和:333

約数の個数: 54

約数和(自身を含む): 47239010

約数和(自身を除く): 29028014

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 229, 282, 423, 458, 564, 687, 846, 916, 1374, 1692, 2061, 2209, 2748, 4122, 4418, 6627, 8244, 8836, 10763, 13254, 19881, 21526, 26508, 32289, 39762, 43052, 64578, 79524, 96867, 129156, 193734, 387468, 505861, 1011722, 1517583, 2023444, 3035166, 4552749, 6070332, 9105498, 18210996]

約数ペア:

[(1, 18210996), (2, 9105498), (3, 6070332), (4, 4552749), (6, 3035166), (9, 2023444), (12, 1517583), (18, 1011722), (36, 505861), (47, 387468), (94, 193734), (141, 129156), (188, 96867), (229, 79524), (282, 64578), (423, 43052), (458, 39762), (564, 32289), (687, 26508), (846, 21526), (916, 19881), (1374, 13254), (1692, 10763), (2061, 8836), (2209, 8244), (2748, 6627), (4122, 4418)]