18969379

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 22508640

約数和(自身を除く): 3539261

約数列:

[1, 11, 13, 109, 143, 1199, 1217, 1417, 13387, 15587, 15821, 132653, 174031, 1459183, 1724489, 18969379]

約数ペア:

[(1, 18969379), (11, 1724489), (13, 1459183), (109, 174031), (143, 132653), (1199, 15821), (1217, 15587), (1417, 13387)]