18821875

素因数分解:

$5^5\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 24842160

約数和(自身を除く): 6020285

約数列:

[1, 5, 19, 25, 95, 125, 317, 475, 625, 1585, 2375, 3125, 6023, 7925, 11875, 30115, 39625, 59375, 150575, 198125, 752875, 990625, 3764375, 18821875]

約数ペア:

[(1, 18821875), (5, 3764375), (19, 990625), (25, 752875), (95, 198125), (125, 150575), (317, 59375), (475, 39625), (625, 30115), (1585, 11875), (2375, 7925), (3125, 6023)]