19250066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4397}}^1$

素因数の和:4609

約数の個数: 16

約数和(自身を含む): 31665600

約数和(自身を除く): 12415534

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4397, 8794, 48367, 96734, 875003, 1750006, 9625033, 19250066]

約数ペア:

[(1, 19250066), (2, 9625033), (11, 1750006), (22, 875003), (199, 96734), (398, 48367), (2189, 8794), (4378, 4397)]