18628316

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17981}}^1$

素因数の和:18029

約数の個数: 24

約数和(自身を含む): 38265696

約数和(自身を除く): 19637380

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 17981, 35962, 71924, 125867, 251734, 503468, 665297, 1330594, 2661188, 4657079, 9314158, 18628316]

約数ペア:

[(1, 18628316), (2, 9314158), (4, 4657079), (7, 2661188), (14, 1330594), (28, 665297), (37, 503468), (74, 251734), (148, 125867), (259, 71924), (518, 35962), (1036, 17981)]