18528875

素因数分解:

$5^3\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:895

約数の個数: 16

約数和(自身を含む): 23261472

約数和(自身を除く): 4732597

約数列:

[1, 5, 25, 125, 227, 653, 1135, 3265, 5675, 16325, 28375, 81625, 148231, 741155, 3705775, 18528875]

約数ペア:

[(1, 18528875), (5, 3705775), (25, 741155), (125, 148231), (227, 81625), (653, 28375), (1135, 16325), (3265, 5675)]