19326969

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 29552640

約数和(自身を除く): 10225671

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1279, 1679, 3837, 5037, 11511, 15111, 29417, 88251, 93367, 264753, 280101, 840303, 2147441, 6442323, 19326969]

約数ペア:

[(1, 19326969), (3, 6442323), (9, 2147441), (23, 840303), (69, 280101), (73, 264753), (207, 93367), (219, 88251), (657, 29417), (1279, 15111), (1679, 11511), (3837, 5037)]