18486910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10939}}^1$

素因数の和:10972

約数の個数: 24

約数和(自身を含む): 36036360

約数和(自身を除く): 17549450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 10939, 21878, 54695, 109390, 142207, 284414, 711035, 1422070, 1848691, 3697382, 9243455, 18486910]

約数ペア:

[(1, 18486910), (2, 9243455), (5, 3697382), (10, 1848691), (13, 1422070), (26, 711035), (65, 284414), (130, 142207), (169, 109390), (338, 54695), (845, 21878), (1690, 10939)]