1900697813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{304063}}^1$

素因数の和:304136

約数の個数: 16

約数和(自身を含む): 2335211520

約数和(自身を除く): 434513707

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 304063, 2128441, 5777197, 14290961, 40440379, 100036727, 271528259, 1900697813]

約数ペア:

[(1, 1900697813), (7, 271528259), (19, 100036727), (47, 40440379), (133, 14290961), (329, 5777197), (893, 2128441), (6251, 304063)]