18741213

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3793}}^1$

素因数の和:3866

約数の個数: 20

約数和(自身を含む): 28462588

約数和(自身を除く): 9721375

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3793, 4941, 11379, 34137, 102411, 231373, 307233, 694119, 2082357, 6247071, 18741213]

約数ペア:

[(1, 18741213), (3, 6247071), (9, 2082357), (27, 694119), (61, 307233), (81, 231373), (183, 102411), (549, 34137), (1647, 11379), (3793, 4941)]