18778287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{13879}}^1$

素因数の和:13934

約数の個数: 16

約数和(自身を含む): 27982080

約数和(自身を除く): 9203793

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 13879, 41637, 152669, 458007, 569039, 1707117, 6259429, 18778287]

約数ペア:

[(1, 18778287), (3, 6259429), (11, 1707117), (33, 569039), (41, 458007), (123, 152669), (451, 41637), (1353, 13879)]