18345579

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{311}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 28584192

約数和(自身を除く): 10238613

約数列:

[1, 3, 7, 21, 53, 159, 311, 371, 933, 1113, 2177, 2809, 6531, 8427, 16483, 19663, 49449, 58989, 115381, 346143, 873599, 2620797, 6115193, 18345579]

約数ペア:

[(1, 18345579), (3, 6115193), (7, 2620797), (21, 873599), (53, 346143), (159, 115381), (311, 58989), (371, 49449), (933, 19663), (1113, 16483), (2177, 8427), (2809, 6531)]