19127187

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 28810080

約数和(自身を除く): 9682893

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 809, 2427, 2627, 7281, 7881, 23643, 29933, 57439, 89799, 172317, 269397, 516951, 2125243, 6375729, 19127187]

約数ペア:

[(1, 19127187), (3, 6375729), (9, 2125243), (37, 516951), (71, 269397), (111, 172317), (213, 89799), (333, 57439), (639, 29933), (809, 23643), (2427, 7881), (2627, 7281)]