16598590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 15081410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 439, 878, 995, 1990, 2195, 3781, 4390, 7562, 8341, 16682, 18905, 37810, 41705, 83410, 87361, 174722, 436805, 873610, 1659859, 3319718, 8299295, 16598590]

約数ペア:

[(1, 16598590), (2, 8299295), (5, 3319718), (10, 1659859), (19, 873610), (38, 436805), (95, 174722), (190, 87361), (199, 83410), (398, 41705), (439, 37810), (878, 18905), (995, 16682), (1990, 8341), (2195, 7562), (3781, 4390)]