19624040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3863}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 24889240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3863, 5080, 7726, 15452, 19315, 30904, 38630, 77260, 154520, 490601, 981202, 1962404, 2453005, 3924808, 4906010, 9812020, 19624040]

約数ペア:

[(1, 19624040), (2, 9812020), (4, 4906010), (5, 3924808), (8, 2453005), (10, 1962404), (20, 981202), (40, 490601), (127, 154520), (254, 77260), (508, 38630), (635, 30904), (1016, 19315), (1270, 15452), (2540, 7726), (3863, 5080)]