19874206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4051}}^1$

素因数の和:4287

約数の個数: 16

約数和(自身を含む): 32675328

約数和(自身を除く): 12801122

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4051, 4906, 8102, 44561, 89122, 903373, 1806746, 9937103, 19874206]

約数ペア:

[(1, 19874206), (2, 9937103), (11, 1806746), (22, 903373), (223, 89122), (446, 44561), (2453, 8102), (4051, 4906)]