18296361

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7789}}^1$

素因数の和:7830

約数の個数: 20

約数和(自身を含む): 28277700

約数和(自身を除く): 9981339

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7789, 23367, 70101, 210303, 225881, 630909, 677643, 2032929, 6098787, 18296361]

約数ペア:

[(1, 18296361), (3, 6098787), (9, 2032929), (27, 677643), (29, 630909), (81, 225881), (87, 210303), (261, 70101), (783, 23367), (2349, 7789)]