18135601

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2204

約数の個数: 12

約数和(自身を含む): 20224512

約数和(自身を除く): 2088911

約数列:

[1, 11, 71, 121, 781, 2111, 8591, 23221, 149881, 255431, 1648691, 18135601]

約数ペア:

[(1, 18135601), (11, 1648691), (71, 255431), (121, 149881), (781, 23221), (2111, 8591)]