19951811

素因数分解:

${\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1114

約数の個数: 12

約数和(自身を含む): 22075872

約数和(自身を除く): 2124061

約数列:

[1, 11, 121, 181, 911, 1991, 10021, 21901, 110231, 164891, 1813801, 19951811]

約数ペア:

[(1, 19951811), (11, 1813801), (121, 164891), (181, 110231), (911, 21901), (1991, 10021)]