18506416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28211}}^1$

素因数の和:28260

約数の個数: 20

約数和(自身を含む): 36732024

約数和(自身を除く): 18225608

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28211, 56422, 112844, 225688, 451376, 1156651, 2313302, 4626604, 9253208, 18506416]

約数ペア:

[(1, 18506416), (2, 9253208), (4, 4626604), (8, 2313302), (16, 1156651), (41, 451376), (82, 225688), (164, 112844), (328, 56422), (656, 28211)]