19617309

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{1907}}^1$

素因数の和:2046

約数の個数: 20

約数和(自身を含む): 29551104

約数和(自身を除く): 9933795

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 1907, 3429, 5721, 10287, 17163, 51489, 154467, 242189, 726567, 2179701, 6539103, 19617309]

約数ペア:

[(1, 19617309), (3, 6539103), (9, 2179701), (27, 726567), (81, 242189), (127, 154467), (381, 51489), (1143, 17163), (1907, 10287), (3429, 5721)]