18998727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 29425920

約数和(自身を除く): 10427193

約数列:

[1, 3, 11, 19, 33, 57, 157, 193, 209, 471, 579, 627, 1727, 2123, 2983, 3667, 5181, 6369, 8949, 11001, 30301, 32813, 40337, 90903, 98439, 121011, 333311, 575719, 999933, 1727157, 6332909, 18998727]

約数ペア:

[(1, 18998727), (3, 6332909), (11, 1727157), (19, 999933), (33, 575719), (57, 333311), (157, 121011), (193, 98439), (209, 90903), (471, 40337), (579, 32813), (627, 30301), (1727, 11001), (2123, 8949), (2983, 6369), (3667, 5181)]