18008368

素因数分解:

$2^4\times 7^1\times {\mathrm{160789}}^1$

素因数の和:160804

約数の個数: 20

約数和(自身を含む): 39875920

約数和(自身を除く): 21867552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 160789, 321578, 643156, 1125523, 1286312, 2251046, 2572624, 4502092, 9004184, 18008368]

約数ペア:

[(1, 18008368), (2, 9004184), (4, 4502092), (7, 2572624), (8, 2251046), (14, 1286312), (16, 1125523), (28, 643156), (56, 321578), (112, 160789)]