18813625

素因数分解:

$5^3\times {\mathrm{59}}^1\times {\mathrm{2551}}^1$

素因数の和:2625

約数の個数: 16

約数和(自身を含む): 23886720

約数和(自身を除く): 5073095

約数列:

[1, 5, 25, 59, 125, 295, 1475, 2551, 7375, 12755, 63775, 150509, 318875, 752545, 3762725, 18813625]

約数ペア:

[(1, 18813625), (5, 3762725), (25, 752545), (59, 318875), (125, 150509), (295, 63775), (1475, 12755), (2551, 7375)]