19818825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20327}}^1$

素因数の和:20353

約数の個数: 24

約数和(自身を含む): 35289408

約数和(自身を除く): 15470583

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20327, 60981, 101635, 264251, 304905, 508175, 792753, 1321255, 1524525, 3963765, 6606275, 19818825]

約数ペア:

[(1, 19818825), (3, 6606275), (5, 3963765), (13, 1524525), (15, 1321255), (25, 792753), (39, 508175), (65, 304905), (75, 264251), (195, 101635), (325, 60981), (975, 20327)]