18979755

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9103}}^1$

素因数の和:9250

約数の個数: 16

約数和(自身を含む): 30589440

約数和(自身を除く): 11609685

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 9103, 27309, 45515, 136545, 1265317, 3795951, 6326585, 18979755]

約数ペア:

[(1, 18979755), (3, 6326585), (5, 3795951), (15, 1265317), (139, 136545), (417, 45515), (695, 27309), (2085, 9103)]