19998121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1283}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 23728320

約数和(自身を除く): 3730199

約数列:

[1, 11, 13, 109, 143, 1199, 1283, 1417, 14113, 15587, 16679, 139847, 183469, 1538317, 1818011, 19998121]

約数ペア:

[(1, 19998121), (11, 1818011), (13, 1538317), (109, 183469), (143, 139847), (1199, 16679), (1283, 15587), (1417, 14113)]