18642013

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 21591360

約数和(自身を除く): 2949347

約数列:

[1, 13, 17, 67, 221, 871, 1139, 1259, 14807, 16367, 21403, 84353, 278239, 1096589, 1434001, 18642013]

約数ペア:

[(1, 18642013), (13, 1434001), (17, 1096589), (67, 278239), (221, 84353), (871, 21403), (1139, 16367), (1259, 14807)]