19786869

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10039}}^1$

素因数の和:10121

約数の個数: 16

約数和(自身を含む): 29718400

約数和(自身を除く): 9931531

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10039, 30117, 90351, 271053, 732847, 2198541, 6595623, 19786869]

約数ペア:

[(1, 19786869), (3, 6595623), (9, 2198541), (27, 732847), (73, 271053), (219, 90351), (657, 30117), (1971, 10039)]