18351949

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 23595264

約数和(自身を除く): 5243315

約数列:

[1, 7, 11, 47, 77, 121, 329, 461, 517, 847, 3227, 3619, 5071, 5687, 21667, 35497, 39809, 55781, 151669, 238337, 390467, 1668359, 2621707, 18351949]

約数ペア:

[(1, 18351949), (7, 2621707), (11, 1668359), (47, 390467), (77, 238337), (121, 151669), (329, 55781), (461, 39809), (517, 35497), (847, 21667), (3227, 5687), (3619, 5071)]