19499788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63311}}^1$

素因数の和:63333

約数の個数: 24

約数和(自身を含む): 42545664

約数和(自身を除く): 23045876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 63311, 126622, 253244, 443177, 696421, 886354, 1392842, 1772708, 2785684, 4874947, 9749894, 19499788]

約数ペア:

[(1, 19499788), (2, 9749894), (4, 4874947), (7, 2785684), (11, 1772708), (14, 1392842), (22, 886354), (28, 696421), (44, 443177), (77, 253244), (154, 126622), (308, 63311)]