18739870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45707}}^1$

素因数の和:45755

約数の個数: 16

約数和(自身を含む): 34555248

約数和(自身を除く): 15815378

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 45707, 91414, 228535, 457070, 1873987, 3747974, 9369935, 18739870]

約数ペア:

[(1, 18739870), (2, 9369935), (5, 3747974), (10, 1873987), (41, 457070), (82, 228535), (205, 91414), (410, 45707)]