19691485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3691}}^1$

素因数の和:3804

約数の個数: 16

約数和(自身を含む): 26050752

約数和(自身を除く): 6359267

約数列:

[1, 5, 11, 55, 97, 485, 1067, 3691, 5335, 18455, 40601, 203005, 358027, 1790135, 3938297, 19691485]

約数ペア:

[(1, 19691485), (5, 3938297), (11, 1790135), (55, 358027), (97, 203005), (485, 40601), (1067, 18455), (3691, 5335)]