18279585

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1013}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 31794984

約数和(自身を除く): 13515399

約数列:

[1, 3, 5, 9, 15, 45, 401, 1013, 1203, 2005, 3039, 3609, 5065, 6015, 9117, 15195, 18045, 45585, 406213, 1218639, 2031065, 3655917, 6093195, 18279585]

約数ペア:

[(1, 18279585), (3, 6093195), (5, 3655917), (9, 2031065), (15, 1218639), (45, 406213), (401, 45585), (1013, 18045), (1203, 15195), (2005, 9117), (3039, 6015), (3609, 5065)]