19866978

素因数分解:

$2^1\times 3^3\times {\mathrm{233}}^1\times {\mathrm{1579}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 44366400

約数和(自身を除く): 24499422

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 233, 466, 699, 1398, 1579, 2097, 3158, 4194, 4737, 6291, 9474, 12582, 14211, 28422, 42633, 85266, 367907, 735814, 1103721, 2207442, 3311163, 6622326, 9933489, 19866978]

約数ペア:

[(1, 19866978), (2, 9933489), (3, 6622326), (6, 3311163), (9, 2207442), (18, 1103721), (27, 735814), (54, 367907), (233, 85266), (466, 42633), (699, 28422), (1398, 14211), (1579, 12582), (2097, 9474), (3158, 6291), (4194, 4737)]