16820188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 37142784

約数和(自身を除く): 20322596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 563, 679, 1067, 1126, 1358, 2134, 2252, 2716, 3941, 4268, 6193, 7469, 7882, 12386, 14938, 15764, 24772, 29876, 43351, 54611, 86702, 109222, 173404, 218444, 382277, 600721, 764554, 1201442, 1529108, 2402884, 4205047, 8410094, 16820188]

約数ペア:

[(1, 16820188), (2, 8410094), (4, 4205047), (7, 2402884), (11, 1529108), (14, 1201442), (22, 764554), (28, 600721), (44, 382277), (77, 218444), (97, 173404), (154, 109222), (194, 86702), (308, 54611), (388, 43351), (563, 29876), (679, 24772), (1067, 15764), (1126, 14938), (1358, 12386), (2134, 7882), (2252, 7469), (2716, 6193), (3941, 4268)]