18796757

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 24084480

約数和(自身を除く): 5287723

約数列:

[1, 7, 19, 31, 47, 97, 133, 217, 329, 589, 679, 893, 1457, 1843, 3007, 4123, 4559, 6251, 10199, 12901, 21049, 27683, 31913, 57133, 86621, 141329, 193781, 399931, 606347, 989303, 2685251, 18796757]

約数ペア:

[(1, 18796757), (7, 2685251), (19, 989303), (31, 606347), (47, 399931), (97, 193781), (133, 141329), (217, 86621), (329, 57133), (589, 31913), (679, 27683), (893, 21049), (1457, 12901), (1843, 10199), (3007, 6251), (4123, 4559)]