18556912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{105437}}^1$

素因数の和:105456

約数の個数: 20

約数和(自身を含む): 39222936

約数和(自身を除く): 20666024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 105437, 210874, 421748, 843496, 1159807, 1686992, 2319614, 4639228, 9278456, 18556912]

約数ペア:

[(1, 18556912), (2, 9278456), (4, 4639228), (8, 2319614), (11, 1686992), (16, 1159807), (22, 843496), (44, 421748), (88, 210874), (176, 105437)]