18211347

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2389}}^1$

素因数の和:2424

約数の個数: 36

約数和(自身を含む): 33058480

約数和(自身を除く): 14847133

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2389, 2541, 7167, 7623, 16723, 21501, 26279, 50169, 78837, 150507, 183953, 236511, 289069, 551859, 867207, 1655577, 2023483, 2601621, 6070449, 18211347]

約数ペア:

[(1, 18211347), (3, 6070449), (7, 2601621), (9, 2023483), (11, 1655577), (21, 867207), (33, 551859), (63, 289069), (77, 236511), (99, 183953), (121, 150507), (231, 78837), (363, 50169), (693, 26279), (847, 21501), (1089, 16723), (2389, 7623), (2541, 7167)]