19976859

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:584

約数の個数: 36

約数和(自身を含む): 33985224

約数和(自身を除く): 14008365

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 467, 679, 873, 1401, 2037, 3269, 4203, 4753, 6111, 9807, 14259, 22883, 29421, 42777, 45299, 68649, 135897, 205947, 317093, 407691, 951279, 2219651, 2853837, 6658953, 19976859]

約数ペア:

[(1, 19976859), (3, 6658953), (7, 2853837), (9, 2219651), (21, 951279), (49, 407691), (63, 317093), (97, 205947), (147, 135897), (291, 68649), (441, 45299), (467, 42777), (679, 29421), (873, 22883), (1401, 14259), (2037, 9807), (3269, 6111), (4203, 4753)]