18915971373

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3759883}}^1$

素因数の和:3759945

約数の個数: 24

約数和(自身を含む): 30109151072

約数和(自身を除く): 11193179699

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 3759883, 11279649, 33838947, 48878479, 146635437, 161674969, 439906311, 485024907, 1455074721, 2101774597, 6305323791, 18915971373]

約数ペア:

[(1, 18915971373), (3, 6305323791), (9, 2101774597), (13, 1455074721), (39, 485024907), (43, 439906311), (117, 161674969), (129, 146635437), (387, 48878479), (559, 33838947), (1677, 11279649), (5031, 3759883)]