19807262

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2113}}^1$

素因数の和:2267

約数の個数: 16

約数和(自身を含む): 30695280

約数和(自身を除く): 10888018

約数列:

[1, 2, 43, 86, 109, 218, 2113, 4226, 4687, 9374, 90859, 181718, 230317, 460634, 9903631, 19807262]

約数ペア:

[(1, 19807262), (2, 9903631), (43, 460634), (86, 230317), (109, 181718), (218, 90859), (2113, 9374), (4226, 4687)]