18814878

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3361}}^1$

素因数の和:3680

約数の個数: 24

約数和(自身を含む): 40908816

約数和(自身を除く): 22093938

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3361, 5598, 6722, 10083, 20166, 30249, 60498, 1045271, 2090542, 3135813, 6271626, 9407439, 18814878]

約数ペア:

[(1, 18814878), (2, 9407439), (3, 6271626), (6, 3135813), (9, 2090542), (18, 1045271), (311, 60498), (622, 30249), (933, 20166), (1866, 10083), (2799, 6722), (3361, 5598)]