18281879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1019}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 4631401

約数列:

[1, 7, 11, 77, 233, 1019, 1631, 2563, 7133, 11209, 17941, 78463, 237427, 1661989, 2611697, 18281879]

約数ペア:

[(1, 18281879), (7, 2611697), (11, 1661989), (77, 237427), (233, 78463), (1019, 17941), (1631, 11209), (2563, 7133)]