19172440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68473}}^1$

素因数の和:68491

約数の個数: 32

約数和(自身を含む): 49301280

約数和(自身を除く): 30128840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68473, 136946, 273892, 342365, 479311, 547784, 684730, 958622, 1369460, 1917244, 2396555, 2738920, 3834488, 4793110, 9586220, 19172440]

約数ペア:

[(1, 19172440), (2, 9586220), (4, 4793110), (5, 3834488), (7, 2738920), (8, 2396555), (10, 1917244), (14, 1369460), (20, 958622), (28, 684730), (35, 547784), (40, 479311), (56, 342365), (70, 273892), (140, 136946), (280, 68473)]