18870447001

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{144569}}^1$

素因数の和:145248

約数の個数: 16

約数和(自身を含む): 22344739200

約数和(自身を除く): 3474292199

約数列:

[1, 7, 29, 203, 643, 4501, 18647, 130529, 144569, 1011983, 4192501, 29347507, 92957867, 650705069, 2695778143, 18870447001]

約数ペア:

[(1, 18870447001), (7, 2695778143), (29, 650705069), (203, 92957867), (643, 29347507), (4501, 4192501), (18647, 1011983), (130529, 144569)]