19958818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1\times {\mathrm{1097}}^1$

素因数の和:1937

約数の個数: 16

約数和(自身を含む): 32729184

約数和(自身を除く): 12770366

約数列:

[1, 2, 11, 22, 827, 1097, 1654, 2194, 9097, 12067, 18194, 24134, 907219, 1814438, 9979409, 19958818]

約数ペア:

[(1, 19958818), (2, 9979409), (11, 1814438), (22, 907219), (827, 24134), (1097, 18194), (1654, 12067), (2194, 9097)]