19837496

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1979}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22930504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 1979, 2506, 3958, 5012, 7916, 10024, 13853, 15832, 27706, 55412, 110824, 354241, 708482, 1416964, 2479687, 2833928, 4959374, 9918748, 19837496]

約数ペア:

[(1, 19837496), (2, 9918748), (4, 4959374), (7, 2833928), (8, 2479687), (14, 1416964), (28, 708482), (56, 354241), (179, 110824), (358, 55412), (716, 27706), (1253, 15832), (1432, 13853), (1979, 10024), (2506, 7916), (3958, 5012)]