19921239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{170267}}^1$

素因数の和:170286

約数の個数: 12

約数和(自身を含む): 30988776

約数和(自身を除く): 11067537

約数列:

[1, 3, 9, 13, 39, 117, 170267, 510801, 1532403, 2213471, 6640413, 19921239]

約数ペア:

[(1, 19921239), (3, 6640413), (9, 2213471), (13, 1532403), (39, 510801), (117, 170267)]