19772456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9769}}^1$

素因数の和:9809

約数の個数: 32

約数和(自身を含む): 42206400

約数和(自身を除く): 22433944

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 9769, 19538, 39076, 78152, 107459, 214918, 224687, 429836, 449374, 859672, 898748, 1797496, 2471557, 4943114, 9886228, 19772456]

約数ペア:

[(1, 19772456), (2, 9886228), (4, 4943114), (8, 2471557), (11, 1797496), (22, 898748), (23, 859672), (44, 449374), (46, 429836), (88, 224687), (92, 214918), (184, 107459), (253, 78152), (506, 39076), (1012, 19538), (2024, 9769)]