13242145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19913}}^1$

素因数の和:19944

約数の個数: 16

約数和(自身を含む): 19117440

約数和(自身を除く): 5875295

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 19913, 99565, 139391, 378347, 696955, 1891735, 2648429, 13242145]

約数ペア:

[(1, 13242145), (5, 2648429), (7, 1891735), (19, 696955), (35, 378347), (95, 139391), (133, 99565), (665, 19913)]