18720508

素因数分解:

$2^2\times {\mathrm{631}}^1\times {\mathrm{7417}}^1$

素因数の和:8052

約数の個数: 12

約数和(自身を含む): 32817232

約数和(自身を除く): 14096724

約数列:

[1, 2, 4, 631, 1262, 2524, 7417, 14834, 29668, 4680127, 9360254, 18720508]

約数ペア:

[(1, 18720508), (2, 9360254), (4, 4680127), (631, 29668), (1262, 14834), (2524, 7417)]