18152885

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 23454360

約数和(自身を除く): 5301475

約数列:

[1, 5, 19, 89, 95, 113, 361, 445, 565, 1691, 1805, 2147, 8455, 10057, 10735, 32129, 40793, 50285, 160645, 191083, 203965, 955415, 3630577, 18152885]

約数ペア:

[(1, 18152885), (5, 3630577), (19, 955415), (89, 203965), (95, 191083), (113, 160645), (361, 50285), (445, 40793), (565, 32129), (1691, 10735), (1805, 10057), (2147, 8455)]