18458060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8467}}^1$

素因数の和:8585

約数の個数: 24

約数和(自身を含む): 39122160

約数和(自身を除く): 20664100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8467, 16934, 33868, 42335, 84670, 169340, 922903, 1845806, 3691612, 4614515, 9229030, 18458060]

約数ペア:

[(1, 18458060), (2, 9229030), (4, 4614515), (5, 3691612), (10, 1845806), (20, 922903), (109, 169340), (218, 84670), (436, 42335), (545, 33868), (1090, 16934), (2180, 8467)]