18889785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18251}}^1$

素因数の和:18285

約数の個数: 24

約数和(自身を含む): 34167744

約数和(自身を除く): 15277959

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 18251, 54753, 91255, 164259, 273765, 419773, 821295, 1259319, 2098865, 3777957, 6296595, 18889785]

約数ペア:

[(1, 18889785), (3, 6296595), (5, 3777957), (9, 2098865), (15, 1259319), (23, 821295), (45, 419773), (69, 273765), (115, 164259), (207, 91255), (345, 54753), (1035, 18251)]