18669495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5039}}^1$

素因数の和:5079

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15199305

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5039, 15117, 25195, 65507, 75585, 95741, 196521, 287223, 327535, 478705, 982605, 1244633, 1436115, 3733899, 6223165, 18669495]

約数ペア:

[(1, 18669495), (3, 6223165), (5, 3733899), (13, 1436115), (15, 1244633), (19, 982605), (39, 478705), (57, 327535), (65, 287223), (95, 196521), (195, 95741), (247, 75585), (285, 65507), (741, 25195), (1235, 15117), (3705, 5039)]