19958055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7873}}^1$

素因数の和:7907

約数の個数: 24

約数和(自身を含む): 34582608

約数和(自身を除く): 14624553

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7873, 23619, 39365, 102349, 118095, 307047, 511745, 1330537, 1535235, 3991611, 6652685, 19958055]

約数ペア:

[(1, 19958055), (3, 6652685), (5, 3991611), (13, 1535235), (15, 1330537), (39, 511745), (65, 307047), (169, 118095), (195, 102349), (507, 39365), (845, 23619), (2535, 7873)]