19799397

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 30182880

約数和(自身を除く): 10383483

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 1381, 1593, 4143, 4779, 12429, 14337, 37287, 81479, 111861, 244437, 335583, 733311, 2199933, 6599799, 19799397]

約数ペア:

[(1, 19799397), (3, 6599799), (9, 2199933), (27, 733311), (59, 335583), (81, 244437), (177, 111861), (243, 81479), (531, 37287), (1381, 14337), (1593, 12429), (4143, 4779)]