19008925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2543}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 26498304

約数和(自身を除く): 7489379

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 2543, 7475, 12715, 33059, 58489, 63575, 165295, 292445, 760357, 826475, 1462225, 3801785, 19008925]

約数ペア:

[(1, 19008925), (5, 3801785), (13, 1462225), (23, 826475), (25, 760357), (65, 292445), (115, 165295), (299, 63575), (325, 58489), (575, 33059), (1495, 12715), (2543, 7475)]