19747450

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2423}}^1$

素因数の和:2598

約数の個数: 24

約数和(自身を含む): 36970848

約数和(自身を除く): 17223398

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 2423, 4075, 4846, 8150, 12115, 24230, 60575, 121150, 394949, 789898, 1974745, 3949490, 9873725, 19747450]

約数ペア:

[(1, 19747450), (2, 9873725), (5, 3949490), (10, 1974745), (25, 789898), (50, 394949), (163, 121150), (326, 60575), (815, 24230), (1630, 12115), (2423, 8150), (4075, 4846)]