19903868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2593}}^1$

素因数の和:2717

約数の個数: 24

約数和(自身を含む): 37042320

約数和(自身を除く): 17138452

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2593, 3838, 5186, 7676, 10372, 49267, 98534, 197068, 261893, 523786, 1047572, 4975967, 9951934, 19903868]

約数ペア:

[(1, 19903868), (2, 9951934), (4, 4975967), (19, 1047572), (38, 523786), (76, 261893), (101, 197068), (202, 98534), (404, 49267), (1919, 10372), (2593, 7676), (3838, 5186)]