19275421

素因数分解:

${\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:924

約数の個数: 12

約数和(自身を含む): 21307132

約数和(自身を除く): 2031711

約数列:

[1, 11, 121, 241, 661, 2651, 7271, 29161, 79981, 159301, 1752311, 19275421]

約数ペア:

[(1, 19275421), (11, 1752311), (121, 159301), (241, 79981), (661, 29161), (2651, 7271)]