18810159

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2081}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 26383104

約数和(自身を除く): 7572945

約数列:

[1, 3, 23, 69, 131, 393, 2081, 3013, 6243, 9039, 47863, 143589, 272611, 817833, 6270053, 18810159]

約数ペア:

[(1, 18810159), (3, 6270053), (23, 817833), (69, 272611), (131, 143589), (393, 47863), (2081, 9039), (3013, 6243)]