18280386

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1237}}^1$

素因数の和:2066

約数の個数: 24

約数和(自身を含む): 39687804

約数和(自身を除く): 21407418

約数列:

[1, 2, 3, 6, 9, 18, 821, 1237, 1642, 2463, 2474, 3711, 4926, 7389, 7422, 11133, 14778, 22266, 1015577, 2031154, 3046731, 6093462, 9140193, 18280386]

約数ペア:

[(1, 18280386), (2, 9140193), (3, 6093462), (6, 3046731), (9, 2031154), (18, 1015577), (821, 22266), (1237, 14778), (1642, 11133), (2463, 7422), (2474, 7389), (3711, 4926)]