18870155

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 4717045

約数列:

[1, 5, 29, 145, 181, 719, 905, 3595, 5249, 20851, 26245, 104255, 130139, 650695, 3774031, 18870155]

約数ペア:

[(1, 18870155), (5, 3774031), (29, 650695), (145, 130139), (181, 104255), (719, 26245), (905, 20851), (3595, 5249)]