18320815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3217}}^1$

素因数の和:3306

約数の個数: 16

約数和(自身を含む): 23632992

約数和(自身を除く): 5312177

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3217, 5695, 16085, 54689, 215539, 273445, 1077695, 3664163, 18320815]

約数ペア:

[(1, 18320815), (5, 3664163), (17, 1077695), (67, 273445), (85, 215539), (335, 54689), (1139, 16085), (3217, 5695)]