18805798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20849}}^1$

素因数の和:20903

約数の個数: 16

約数和(自身を含む): 31525200

約数和(自身を除く): 12719402

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20849, 41698, 229339, 458678, 854809, 1709618, 9402899, 18805798]

約数ペア:

[(1, 18805798), (2, 9402899), (11, 1709618), (22, 854809), (41, 458678), (82, 229339), (451, 41698), (902, 20849)]