18720592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{106367}}^1$

素因数の和:106386

約数の個数: 20

約数和(自身を含む): 39568896

約数和(自身を除く): 20848304

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 106367, 212734, 425468, 850936, 1170037, 1701872, 2340074, 4680148, 9360296, 18720592]

約数ペア:

[(1, 18720592), (2, 9360296), (4, 4680148), (8, 2340074), (11, 1701872), (16, 1170037), (22, 850936), (44, 425468), (88, 212734), (176, 106367)]