19938866481

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{26691923}}^1$

素因数の和:26692012

約数の個数: 12

約数和(自身を含む): 29147581008

約数和(自身を除く): 9208714527

約数列:

[1, 3, 9, 83, 249, 747, 26691923, 80075769, 240227307, 2215429609, 6646288827, 19938866481]

約数ペア:

[(1, 19938866481), (3, 6646288827), (9, 2215429609), (83, 240227307), (249, 80075769), (747, 26691923)]