18420303

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4261}}^1$

素因数の和:4406

約数の個数: 16

約数和(自身を含む): 27004032

約数和(自身を除く): 8583729

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4261, 4323, 12783, 46871, 140613, 558191, 1674573, 6140101, 18420303]

約数ペア:

[(1, 18420303), (3, 6140101), (11, 1674573), (33, 558191), (131, 140613), (393, 46871), (1441, 12783), (4261, 4323)]