19954284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1862

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 33671316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1709, 1946, 2919, 3418, 3892, 5127, 5838, 6836, 10254, 11676, 11963, 20508, 23926, 35889, 47852, 71778, 143556, 237551, 475102, 712653, 950204, 1425306, 1662857, 2850612, 3325714, 4988571, 6651428, 9977142, 19954284]

約数ペア:

[(1, 19954284), (2, 9977142), (3, 6651428), (4, 4988571), (6, 3325714), (7, 2850612), (12, 1662857), (14, 1425306), (21, 950204), (28, 712653), (42, 475102), (84, 237551), (139, 143556), (278, 71778), (417, 47852), (556, 35889), (834, 23926), (973, 20508), (1668, 11963), (1709, 11676), (1946, 10254), (2919, 6836), (3418, 5838), (3892, 5127)]