19225690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15889}}^1$

素因数の和:15918

約数の個数: 24

約数和(自身を含む): 38040660

約数和(自身を除く): 18814970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15889, 31778, 79445, 158890, 174779, 349558, 873895, 1747790, 1922569, 3845138, 9612845, 19225690]

約数ペア:

[(1, 19225690), (2, 9612845), (5, 3845138), (10, 1922569), (11, 1747790), (22, 873895), (55, 349558), (110, 174779), (121, 158890), (242, 79445), (605, 31778), (1210, 15889)]