19948263

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 27446496

約数和(自身を除く): 7498233

約数列:

[1, 3, 41, 123, 157, 471, 1033, 3099, 6437, 19311, 42353, 127059, 162181, 486543, 6649421, 19948263]

約数ペア:

[(1, 19948263), (3, 6649421), (41, 486543), (123, 162181), (157, 127059), (471, 42353), (1033, 19311), (3099, 6437)]