19208816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109141}}^1$

素因数の和:109160

約数の個数: 20

約数和(自身を含む): 40600824

約数和(自身を除く): 21392008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109141, 218282, 436564, 873128, 1200551, 1746256, 2401102, 4802204, 9604408, 19208816]

約数ペア:

[(1, 19208816), (2, 9604408), (4, 4802204), (8, 2401102), (11, 1746256), (16, 1200551), (22, 873128), (44, 436564), (88, 218282), (176, 109141)]