19117863

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6379}}^1$

素因数の和:6428

約数の個数: 20

約数和(自身を含む): 29335240

約数和(自身を除く): 10217377

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6379, 19137, 57411, 172233, 236023, 516699, 708069, 2124207, 6372621, 19117863]

約数ペア:

[(1, 19117863), (3, 6372621), (9, 2124207), (27, 708069), (37, 516699), (81, 236023), (111, 172233), (333, 57411), (999, 19137), (2997, 6379)]