19481193

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 29240640

約数和(自身を除く): 9759447

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 709, 2127, 3053, 6381, 9159, 27477, 30487, 50339, 91461, 151017, 274383, 453051, 2164577, 6493731, 19481193]

約数ペア:

[(1, 19481193), (3, 6493731), (9, 2164577), (43, 453051), (71, 274383), (129, 151017), (213, 91461), (387, 50339), (639, 30487), (709, 27477), (2127, 9159), (3053, 6381)]