19906642

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10691}}^1$

素因数の和:10726

約数の個数: 24

約数和(自身を含む): 36566640

約数和(自身を除く): 16659998

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 10691, 21382, 74837, 149674, 203129, 406258, 523859, 1047718, 1421903, 2843806, 9953321, 19906642]

約数ペア:

[(1, 19906642), (2, 9953321), (7, 2843806), (14, 1421903), (19, 1047718), (38, 523859), (49, 406258), (98, 203129), (133, 149674), (266, 74837), (931, 21382), (1862, 10691)]