19839848

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1279}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 42700800

約数和(自身を除く): 22860952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1279, 1939, 2216, 2558, 3878, 5116, 7756, 8953, 10232, 15512, 17906, 35812, 71624, 354283, 708566, 1417132, 2479981, 2834264, 4959962, 9919924, 19839848]

約数ペア:

[(1, 19839848), (2, 9919924), (4, 4959962), (7, 2834264), (8, 2479981), (14, 1417132), (28, 708566), (56, 354283), (277, 71624), (554, 35812), (1108, 17906), (1279, 15512), (1939, 10232), (2216, 8953), (2558, 7756), (3878, 5116)]