18882017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5981}}^1$

素因数の和:6040

約数の個数: 16

約数和(自身を含む): 24119424

約数和(自身を除く): 5237407

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 5981, 41867, 65791, 245221, 460537, 1716547, 2697431, 18882017]

約数ペア:

[(1, 18882017), (7, 2697431), (11, 1716547), (41, 460537), (77, 245221), (287, 65791), (451, 41867), (3157, 5981)]