22017978

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28447}}^1$

素因数の和:28498

約数の個数: 24

約数和(自身を含む): 48816768

約数和(自身を除く): 26798790

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28447, 56894, 85341, 170682, 256023, 512046, 1223221, 2446442, 3669663, 7339326, 11008989, 22017978]

約数ペア:

[(1, 22017978), (2, 11008989), (3, 7339326), (6, 3669663), (9, 2446442), (18, 1223221), (43, 512046), (86, 256023), (129, 170682), (258, 85341), (387, 56894), (774, 28447)]