19226180

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2141}}^1$

素因数の和:2599

約数の個数: 24

約数和(自身を含む): 40483800

約数和(自身を除く): 21257620

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2141, 2245, 4282, 4490, 8564, 8980, 10705, 21410, 42820, 961309, 1922618, 3845236, 4806545, 9613090, 19226180]

約数ペア:

[(1, 19226180), (2, 9613090), (4, 4806545), (5, 3845236), (10, 1922618), (20, 961309), (449, 42820), (898, 21410), (1796, 10705), (2141, 8980), (2245, 8564), (4282, 4490)]