19140875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{11779}}^1$

素因数の和:11807

約数の個数: 16

約数和(自身を含む): 25727520

約数和(自身を除く): 6586645

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 11779, 58895, 153127, 294475, 765635, 1472375, 3828175, 19140875]

約数ペア:

[(1, 19140875), (5, 3828175), (13, 1472375), (25, 765635), (65, 294475), (125, 153127), (325, 58895), (1625, 11779)]