18041639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5510

約数の個数: 16

約数和(自身を含む): 23020800

約数和(自身を除く): 4979161

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 5449, 38143, 59939, 234307, 419573, 1640149, 2577377, 18041639]

約数ペア:

[(1, 18041639), (7, 2577377), (11, 1640149), (43, 419573), (77, 234307), (301, 59939), (473, 38143), (3311, 5449)]