18665086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20693}}^1$

素因数の和:20747

約数の個数: 16

約数和(自身を含む): 31289328

約数和(自身を除く): 12624242

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20693, 41386, 227623, 455246, 848413, 1696826, 9332543, 18665086]

約数ペア:

[(1, 18665086), (2, 9332543), (11, 1696826), (22, 848413), (41, 455246), (82, 227623), (451, 41386), (902, 20693)]