2019901264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2935903}}^1$

素因数の和:2935954

約数の個数: 20

約数和(自身を含む): 4004573056

約数和(自身を除く): 1984671792

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2935903, 5871806, 11743612, 23487224, 46974448, 126243829, 252487658, 504975316, 1009950632, 2019901264]

約数ペア:

[(1, 2019901264), (2, 1009950632), (4, 504975316), (8, 252487658), (16, 126243829), (43, 46974448), (86, 23487224), (172, 11743612), (344, 5871806), (688, 2935903)]