19974985855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19114819}}^1$

素因数の和:19114854

約数の個数: 16

約数和(自身を含む): 27525340800

約数和(自身を除く): 7550354945

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19114819, 95574095, 210263009, 363181561, 1051315045, 1815907805, 3994997171, 19974985855]

約数ペア:

[(1, 19974985855), (5, 3994997171), (11, 1815907805), (19, 1051315045), (55, 363181561), (95, 210263009), (209, 95574095), (1045, 19114819)]