18810363

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 10945797

約数列:

[1, 3, 11, 13, 33, 39, 143, 163, 269, 429, 489, 807, 1793, 2119, 2959, 3497, 5379, 6357, 8877, 10491, 23309, 38467, 43847, 69927, 115401, 131541, 482317, 570011, 1446951, 1710033, 6270121, 18810363]

約数ペア:

[(1, 18810363), (3, 6270121), (11, 1710033), (13, 1446951), (33, 570011), (39, 482317), (143, 131541), (163, 115401), (269, 69927), (429, 43847), (489, 38467), (807, 23309), (1793, 10491), (2119, 8877), (2959, 6357), (3497, 5379)]