18957627

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 29641248

約数和(自身を除く): 10683621

約数列:

[1, 3, 9, 13, 39, 117, 311, 521, 933, 1563, 2799, 4043, 4689, 6773, 12129, 20319, 36387, 60957, 162031, 486093, 1458279, 2106403, 6319209, 18957627]

約数ペア:

[(1, 18957627), (3, 6319209), (9, 2106403), (13, 1458279), (39, 486093), (117, 162031), (311, 60957), (521, 36387), (933, 20319), (1563, 12129), (2799, 6773), (4043, 4689)]