19489763907

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{30500413}}^1$

素因数の和:30500490

約数の個数: 12

約数和(自身を含む): 28548387504

約数和(自身を除く): 9058623597

約数列:

[1, 3, 9, 71, 213, 639, 30500413, 91501239, 274503717, 2165529323, 6496587969, 19489763907]

約数ペア:

[(1, 19489763907), (3, 6496587969), (9, 2165529323), (71, 274503717), (213, 91501239), (639, 30500413)]