18813291

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8219}}^1$

素因数の和:8338

約数の個数: 16

約数和(自身を含む): 28934400

約数和(自身を除く): 10121109

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8219, 24657, 57533, 172599, 895871, 2687613, 6271097, 18813291]

約数ペア:

[(1, 18813291), (3, 6271097), (7, 2687613), (21, 895871), (109, 172599), (327, 57533), (763, 24657), (2289, 8219)]