18864890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 18459910

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1151, 1490, 1639, 2302, 3278, 5755, 8195, 11510, 12661, 16390, 25322, 63305, 126610, 171499, 342998, 857495, 1714990, 1886489, 3772978, 9432445, 18864890]

約数ペア:

[(1, 18864890), (2, 9432445), (5, 3772978), (10, 1886489), (11, 1714990), (22, 857495), (55, 342998), (110, 171499), (149, 126610), (298, 63305), (745, 25322), (1151, 16390), (1490, 12661), (1639, 11510), (2302, 8195), (3278, 5755)]