18612891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 29493360

約数和(自身を除く): 10880469

約数列:

[1, 3, 9, 11, 33, 99, 229, 687, 821, 2061, 2463, 2519, 7389, 7557, 9031, 22671, 27093, 81279, 188009, 564027, 1692081, 2068099, 6204297, 18612891]

約数ペア:

[(1, 18612891), (3, 6204297), (9, 2068099), (11, 1692081), (33, 564027), (99, 188009), (229, 81279), (687, 27093), (821, 22671), (2061, 9031), (2463, 7557), (2519, 7389)]