19637717

素因数分解:

${\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 21978432

約数和(自身を除く): 2340715

約数列:

[1, 11, 83, 137, 157, 913, 1507, 1727, 11371, 13031, 21509, 125081, 143341, 236599, 1785247, 19637717]

約数ペア:

[(1, 19637717), (11, 1785247), (83, 236599), (137, 143341), (157, 125081), (913, 21509), (1507, 13031), (1727, 11371)]