18804731

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 22407840

約数和(自身を除く): 3603109

約数列:

[1, 11, 23, 29, 121, 233, 253, 319, 667, 2563, 2783, 3509, 5359, 6757, 7337, 28193, 58949, 74327, 80707, 155411, 648439, 817597, 1709521, 18804731]

約数ペア:

[(1, 18804731), (11, 1709521), (23, 817597), (29, 648439), (121, 155411), (233, 80707), (253, 74327), (319, 58949), (667, 28193), (2563, 7337), (2783, 6757), (3509, 5359)]