18410427

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 31299840

約数和(自身を除く): 12889413

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 383, 441, 763, 981, 1149, 2289, 2681, 3447, 5341, 6867, 8043, 16023, 18767, 24129, 41747, 48069, 56301, 125241, 168903, 292229, 375723, 876687, 2045603, 2630061, 6136809, 18410427]

約数ペア:

[(1, 18410427), (3, 6136809), (7, 2630061), (9, 2045603), (21, 876687), (49, 375723), (63, 292229), (109, 168903), (147, 125241), (327, 56301), (383, 48069), (441, 41747), (763, 24129), (981, 18767), (1149, 16023), (2289, 8043), (2681, 6867), (3447, 5341)]