18247781

素因数分解:

${\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 12

約数和(自身を含む): 19081440

約数和(自身を除く): 833659

約数列:

[1, 43, 71, 139, 1849, 3053, 5977, 9869, 131279, 257011, 424367, 18247781]

約数ペア:

[(1, 18247781), (43, 424367), (71, 257011), (139, 131279), (1849, 9869), (3053, 5977)]