18981276

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{2393}}^1$

素因数の和:3061

約数の個数: 24

約数和(自身を含む): 44375184

約数和(自身を除く): 25393908

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2393, 2644, 3966, 4786, 7179, 7932, 9572, 14358, 28716, 1581773, 3163546, 4745319, 6327092, 9490638, 18981276]

約数ペア:

[(1, 18981276), (2, 9490638), (3, 6327092), (4, 4745319), (6, 3163546), (12, 1581773), (661, 28716), (1322, 14358), (1983, 9572), (2393, 7932), (2644, 7179), (3966, 4786)]