19661140015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{60661}}^1$

素因数の和:60831

約数の個数: 32

約数和(自身を含む): 26415631872

約数和(自身を除く): 6754491857

約数列:

[1, 5, 11, 55, 71, 83, 355, 415, 781, 913, 3905, 4565, 5893, 29465, 60661, 64823, 303305, 324115, 667271, 3336355, 4306931, 5034863, 21534655, 25174315, 47376241, 55383493, 236881205, 276917465, 357475273, 1787376365, 3932228003, 19661140015]

約数ペア:

[(1, 19661140015), (5, 3932228003), (11, 1787376365), (55, 357475273), (71, 276917465), (83, 236881205), (355, 55383493), (415, 47376241), (781, 25174315), (913, 21534655), (3905, 5034863), (4565, 4306931), (5893, 3336355), (29465, 667271), (60661, 324115), (64823, 303305)]