19666593

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 29352960

約数和(自身を除く): 9686367

約数列:

[1, 3, 9, 41, 123, 223, 239, 369, 669, 717, 2007, 2151, 9143, 9799, 27429, 29397, 53297, 82287, 88191, 159891, 479673, 2185177, 6555531, 19666593]

約数ペア:

[(1, 19666593), (3, 6555531), (9, 2185177), (41, 479673), (123, 159891), (223, 88191), (239, 82287), (369, 53297), (669, 29397), (717, 27429), (2007, 9799), (2151, 9143)]