18119125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3429

約数の個数: 16

約数和(自身を含む): 23145408

約数和(自身を除く): 5026283

約数列:

[1, 5, 25, 43, 125, 215, 1075, 3371, 5375, 16855, 84275, 144953, 421375, 724765, 3623825, 18119125]

約数ペア:

[(1, 18119125), (5, 3623825), (25, 724765), (43, 421375), (125, 144953), (215, 84275), (1075, 16855), (3371, 5375)]