19208464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109139}}^1$

素因数の和:109158

約数の個数: 20

約数和(自身を含む): 40600080

約数和(自身を除く): 21391616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109139, 218278, 436556, 873112, 1200529, 1746224, 2401058, 4802116, 9604232, 19208464]

約数ペア:

[(1, 19208464), (2, 9604232), (4, 4802116), (8, 2401058), (11, 1746224), (16, 1200529), (22, 873112), (44, 436556), (88, 218278), (176, 109139)]