19462885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 26141184

約数和(自身を除く): 6678299

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 743, 845, 2015, 3715, 5239, 9659, 23033, 26195, 48295, 115165, 125567, 299429, 627835, 1497145, 3892577, 19462885]

約数ペア:

[(1, 19462885), (5, 3892577), (13, 1497145), (31, 627835), (65, 299429), (155, 125567), (169, 115165), (403, 48295), (743, 26195), (845, 23033), (2015, 9659), (3715, 5239)]