2018606992

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{640421}}^1$

素因数の和:640626

約数の個数: 20

約数和(自身を含む): 3930910236

約数和(自身を除く): 1912303244

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 640421, 1280842, 2561684, 5123368, 10246736, 126162937, 252325874, 504651748, 1009303496, 2018606992]

約数ペア:

[(1, 2018606992), (2, 1009303496), (4, 504651748), (8, 252325874), (16, 126162937), (197, 10246736), (394, 5123368), (788, 2561684), (1576, 1280842), (3152, 640421)]