18179397

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2294

約数の個数: 20

約数和(自身を含む): 27433120

約数和(自身を除く): 9253723

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2179, 2781, 6537, 8343, 19611, 58833, 176499, 224437, 673311, 2019933, 6059799, 18179397]

約数ペア:

[(1, 18179397), (3, 6059799), (9, 2019933), (27, 673311), (81, 224437), (103, 176499), (309, 58833), (927, 19611), (2179, 8343), (2781, 6537)]