19869212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23767}}^1$

素因数の和:23801

約数の個数: 24

約数和(自身を含む): 39930240

約数和(自身を除く): 20061028

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23767, 47534, 95068, 261437, 451573, 522874, 903146, 1045748, 1806292, 4967303, 9934606, 19869212]

約数ペア:

[(1, 19869212), (2, 9934606), (4, 4967303), (11, 1806292), (19, 1045748), (22, 903146), (38, 522874), (44, 451573), (76, 261437), (209, 95068), (418, 47534), (836, 23767)]