18864393

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2087}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 26459136

約数和(自身を除く): 7594743

約数列:

[1, 3, 23, 69, 131, 393, 2087, 3013, 6261, 9039, 48001, 144003, 273397, 820191, 6288131, 18864393]

約数ペア:

[(1, 18864393), (3, 6288131), (23, 820191), (69, 273397), (131, 144003), (393, 48001), (2087, 9039), (3013, 6261)]