18937919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18919}}^1$

素因数の和:18950

約数の個数: 16

約数和(自身を含む): 25428480

約数和(自身を除く): 6490561

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 18919, 132433, 208109, 245947, 1456763, 1721629, 2705417, 18937919]

約数ペア:

[(1, 18937919), (7, 2705417), (11, 1721629), (13, 1456763), (77, 245947), (91, 208109), (143, 132433), (1001, 18919)]