18804009

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10061}}^1$

素因数の和:10160

約数の個数: 16

約数和(自身を含む): 28978560

約数和(自身を除く): 10174551

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10061, 30183, 70427, 211281, 895429, 2686287, 6268003, 18804009]

約数ペア:

[(1, 18804009), (3, 6268003), (7, 2686287), (21, 895429), (89, 211281), (267, 70427), (623, 30183), (1869, 10061)]