19779423

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2441}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 27467616

約数和(自身を除く): 7688193

約数列:

[1, 3, 37, 73, 111, 219, 2441, 2701, 7323, 8103, 90317, 178193, 270951, 534579, 6593141, 19779423]

約数ペア:

[(1, 19779423), (3, 6593141), (37, 534579), (73, 270951), (111, 178193), (219, 90317), (2441, 8103), (2701, 7323)]