18840074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20887}}^1$

素因数の和:20941

約数の個数: 16

約数和(自身を含む): 31582656

約数和(自身を除く): 12742582

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20887, 41774, 229757, 459514, 856367, 1712734, 9420037, 18840074]

約数ペア:

[(1, 18840074), (2, 9420037), (11, 1712734), (22, 856367), (41, 459514), (82, 229757), (451, 41774), (902, 20887)]