18618699

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13121}}^1$

素因数の和:13178

約数の個数: 16

約数和(自身を含む): 27713664

約数和(自身を除く): 9094965

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13121, 39363, 144331, 432993, 564203, 1692609, 6206233, 18618699]

約数ペア:

[(1, 18618699), (3, 6206233), (11, 1692609), (33, 564203), (43, 432993), (129, 144331), (473, 39363), (1419, 13121)]