18805018

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 28987200

約数和(自身を除く): 10182182

約数列:

[1, 2, 43, 86, 449, 487, 898, 974, 19307, 20941, 38614, 41882, 218663, 437326, 9402509, 18805018]

約数ペア:

[(1, 18805018), (2, 9402509), (43, 437326), (86, 218663), (449, 41882), (487, 38614), (898, 20941), (974, 19307)]