19880458073

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{7309}}^1\times {\mathrm{13399}}^1$

素因数の和:20744

約数の個数: 16

約数和(自身を含む): 23508960000

約数和(自身を除く): 3628501927

約数列:

[1, 7, 29, 203, 7309, 13399, 51163, 93793, 211961, 388571, 1483727, 2719997, 97933291, 685533037, 2840065439, 19880458073]

約数ペア:

[(1, 19880458073), (7, 2840065439), (29, 685533037), (203, 97933291), (7309, 2719997), (13399, 1483727), (51163, 388571), (93793, 211961)]