18903218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1811}}^1$

素因数の和:2137

約数の個数: 16

約数和(自身を含む): 30137184

約数和(自身を除く): 11233966

約数列:

[1, 2, 17, 34, 307, 614, 1811, 3622, 5219, 10438, 30787, 61574, 555977, 1111954, 9451609, 18903218]

約数ペア:

[(1, 18903218), (2, 9451609), (17, 1111954), (34, 555977), (307, 61574), (614, 30787), (1811, 10438), (3622, 5219)]