17811893

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 19968000

約数和(自身を除く): 2156107

約数列:

[1, 11, 79, 103, 199, 869, 1133, 2189, 8137, 15721, 20497, 89507, 172931, 225467, 1619263, 17811893]

約数ペア:

[(1, 17811893), (11, 1619263), (79, 225467), (103, 172931), (199, 89507), (869, 20497), (1133, 15721), (2189, 8137)]