18692307

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 28582944

約数和(自身を除く): 9890637

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1237, 1679, 3711, 5037, 11133, 15111, 28451, 85353, 90301, 256059, 270903, 812709, 2076923, 6230769, 18692307]

約数ペア:

[(1, 18692307), (3, 6230769), (9, 2076923), (23, 812709), (69, 270903), (73, 256059), (207, 90301), (219, 85353), (657, 28451), (1237, 15111), (1679, 11133), (3711, 5037)]