19550525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 25891200

約数和(自身を除く): 6340675

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 521, 1501, 1975, 2605, 7505, 9899, 13025, 37525, 41159, 49495, 205795, 247475, 782021, 1028975, 3910105, 19550525]

約数ペア:

[(1, 19550525), (5, 3910105), (19, 1028975), (25, 782021), (79, 247475), (95, 205795), (395, 49495), (475, 41159), (521, 37525), (1501, 13025), (1975, 9899), (2605, 7505)]