2019920872

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{158699}}^1$

素因数の和:158785

約数の個数: 32

約数和(自身を含む): 3980196000

約数和(自身を除く): 1960275128

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 3182, 6364, 12728, 158699, 317398, 634796, 1269592, 5871863, 6824057, 11743726, 13648114, 23487452, 27296228, 46974904, 54592456, 252490109, 504980218, 1009960436, 2019920872]

約数ペア:

[(1, 2019920872), (2, 1009960436), (4, 504980218), (8, 252490109), (37, 54592456), (43, 46974904), (74, 27296228), (86, 23487452), (148, 13648114), (172, 11743726), (296, 6824057), (344, 5871863), (1591, 1269592), (3182, 634796), (6364, 317398), (12728, 158699)]