19527795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 39536640

約数和(自身を除く): 20008845

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1319, 1645, 2115, 2961, 3957, 4935, 6595, 9233, 11871, 14805, 19785, 27699, 46165, 59355, 61993, 83097, 138495, 185979, 309965, 415485, 433951, 557937, 929895, 1301853, 2169755, 2789685, 3905559, 6509265, 19527795]

約数ペア:

[(1, 19527795), (3, 6509265), (5, 3905559), (7, 2789685), (9, 2169755), (15, 1301853), (21, 929895), (35, 557937), (45, 433951), (47, 415485), (63, 309965), (105, 185979), (141, 138495), (235, 83097), (315, 61993), (329, 59355), (423, 46165), (705, 27699), (987, 19785), (1319, 14805), (1645, 11871), (2115, 9233), (2961, 6595), (3957, 4935)]