19804876912

素因数分解:

$2^4\times {\mathrm{827}}^1\times {\mathrm{1496741}}^1$

素因数の和:1497576

約数の個数: 20

約数和(自身を含む): 38418373656

約数和(自身を除く): 18613496744

約数列:

[1, 2, 4, 8, 16, 827, 1654, 3308, 6616, 13232, 1496741, 2993482, 5986964, 11973928, 23947856, 1237804807, 2475609614, 4951219228, 9902438456, 19804876912]

約数ペア:

[(1, 19804876912), (2, 9902438456), (4, 4951219228), (8, 2475609614), (16, 1237804807), (827, 23947856), (1654, 11973928), (3308, 5986964), (6616, 2993482), (13232, 1496741)]