19723797

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10007}}^1$

素因数の和:10089

約数の個数: 16

約数和(自身を含む): 29623680

約数和(自身を除く): 9899883

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10007, 30021, 90063, 270189, 730511, 2191533, 6574599, 19723797]

約数ペア:

[(1, 19723797), (3, 6574599), (9, 2191533), (27, 730511), (73, 270189), (219, 90063), (657, 30021), (1971, 10007)]