17961812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{408223}}^1$

素因数の和:408238

約数の個数: 12

約数和(自身を含む): 34290816

約数和(自身を除く): 16329004

約数列:

[1, 2, 4, 11, 22, 44, 408223, 816446, 1632892, 4490453, 8980906, 17961812]

約数ペア:

[(1, 17961812), (2, 8980906), (4, 4490453), (11, 1632892), (22, 816446), (44, 408223)]