18722691

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 30623040

約数和(自身を除く): 11900349

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1301, 1599, 3903, 4797, 11709, 14391, 16913, 35127, 50739, 53341, 152217, 160023, 456651, 480069, 693433, 1440207, 2080299, 6240897, 18722691]

約数ペア:

[(1, 18722691), (3, 6240897), (9, 2080299), (13, 1440207), (27, 693433), (39, 480069), (41, 456651), (117, 160023), (123, 152217), (351, 53341), (369, 50739), (533, 35127), (1107, 16913), (1301, 14391), (1599, 11709), (3903, 4797)]