18308511

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17387}}^1$

素因数の和:17412

約数の個数: 20

約数和(自身を含む): 29455272

約数和(自身を除く): 11146761

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17387, 52161, 156483, 226031, 469449, 678093, 1408347, 2034279, 6102837, 18308511]

約数ペア:

[(1, 18308511), (3, 6102837), (9, 2034279), (13, 1408347), (27, 678093), (39, 469449), (81, 226031), (117, 156483), (351, 52161), (1053, 17387)]