19957490329

素因数分解:

$7^3\times {\mathrm{701}}^1\times {\mathrm{83003}}^1$

素因数の和:83725

約数の個数: 16

約数和(自身を含む): 23307523200

約数和(自身を除く): 3350032871

約数列:

[1, 7, 49, 343, 701, 4907, 34349, 83003, 240443, 581021, 4067147, 28470029, 58185103, 407295721, 2851070047, 19957490329]

約数ペア:

[(1, 19957490329), (7, 2851070047), (49, 407295721), (343, 58185103), (701, 28470029), (4907, 4067147), (34349, 581021), (83003, 240443)]