18359905

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{3821}}^1$

素因数の和:3888

約数の個数: 12

約数和(自身を含む): 22771476

約数和(自身を除く): 4411571

約数列:

[1, 5, 31, 155, 961, 3821, 4805, 19105, 118451, 592255, 3671981, 18359905]

約数ペア:

[(1, 18359905), (5, 3671981), (31, 592255), (155, 118451), (961, 19105), (3821, 4805)]