19806795

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6379}}^1$

素因数の和:6416

約数の個数: 32

約数和(自身を含む): 36748800

約数和(自身を除く): 16942005

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6379, 19137, 31895, 57411, 95685, 146717, 172233, 287055, 440151, 733585, 861165, 1320453, 2200755, 3961359, 6602265, 19806795]

約数ペア:

[(1, 19806795), (3, 6602265), (5, 3961359), (9, 2200755), (15, 1320453), (23, 861165), (27, 733585), (45, 440151), (69, 287055), (115, 172233), (135, 146717), (207, 95685), (345, 57411), (621, 31895), (1035, 19137), (3105, 6379)]