18394375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1588

約数の個数: 20

約数和(自身を含む): 24211000

約数和(自身を除く): 5816625

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 1549, 2375, 7745, 11875, 29431, 38725, 147155, 193625, 735775, 968125, 3678875, 18394375]

約数ペア:

[(1, 18394375), (5, 3678875), (19, 968125), (25, 735775), (95, 193625), (125, 147155), (475, 38725), (625, 29431), (1549, 11875), (2375, 7745)]