199682495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{20407}}^1$

素因数の和:20534

約数の個数: 16

約数和(自身を含む): 254691840

約数和(自身を除く): 55009345

約数列:

[1, 5, 19, 95, 103, 515, 1957, 9785, 20407, 102035, 387733, 1938665, 2101921, 10509605, 39936499, 199682495]

約数ペア:

[(1, 199682495), (5, 39936499), (19, 10509605), (95, 2101921), (103, 1938665), (515, 387733), (1957, 102035), (9785, 20407)]