18540783

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 28609152

約数和(自身を除く): 10068369

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2083, 2967, 6249, 8901, 18747, 47909, 89569, 143727, 268707, 431181, 806121, 2060087, 6180261, 18540783]

約数ペア:

[(1, 18540783), (3, 6180261), (9, 2060087), (23, 806121), (43, 431181), (69, 268707), (129, 143727), (207, 89569), (387, 47909), (989, 18747), (2083, 8901), (2967, 6249)]