18264920

素因数分解:

$2^3\times 5^1\times {\mathrm{456623}}^1$

素因数の和:456634

約数の個数: 16

約数和(自身を含む): 41096160

約数和(自身を除く): 22831240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 456623, 913246, 1826492, 2283115, 3652984, 4566230, 9132460, 18264920]

約数ペア:

[(1, 18264920), (2, 9132460), (4, 4566230), (5, 3652984), (8, 2283115), (10, 1826492), (20, 913246), (40, 456623)]