18786942

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1579}}^1$

素因数の和:2248

約数の個数: 24

約数和(自身を含む): 40792440

約数和(自身を除く): 22005498

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1579, 1983, 3158, 3966, 4737, 5949, 9474, 11898, 14211, 28422, 1043719, 2087438, 3131157, 6262314, 9393471, 18786942]

約数ペア:

[(1, 18786942), (2, 9393471), (3, 6262314), (6, 3131157), (9, 2087438), (18, 1043719), (661, 28422), (1322, 14211), (1579, 11898), (1983, 9474), (3158, 5949), (3966, 4737)]