187869820

素因数分解:

$2^2\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{8147}}^1$

素因数の和:9309

約数の個数: 24

約数和(自身を含む): 394917264

約数和(自身を除く): 207047444

約数列:

[1, 2, 4, 5, 10, 20, 1153, 2306, 4612, 5765, 8147, 11530, 16294, 23060, 32588, 40735, 81470, 162940, 9393491, 18786982, 37573964, 46967455, 93934910, 187869820]

約数ペア:

[(1, 187869820), (2, 93934910), (4, 46967455), (5, 37573964), (10, 18786982), (20, 9393491), (1153, 162940), (2306, 81470), (4612, 40735), (5765, 32588), (8147, 23060), (11530, 16294)]