18158231

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5393}}^1$

素因数の和:5450

約数の個数: 16

約数和(自身を含む): 22956864

約数和(自身を除く): 4798633

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5393, 37751, 70109, 199541, 490763, 1396787, 2594033, 18158231]

約数ペア:

[(1, 18158231), (7, 2594033), (13, 1396787), (37, 490763), (91, 199541), (259, 70109), (481, 37751), (3367, 5393)]