188985820

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{8693}}^1$

素因数の和:9789

約数の個数: 24

約数和(自身を含む): 397281024

約数和(自身を除く): 208295204

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 4348, 5435, 8693, 10870, 17386, 21740, 34772, 43465, 86930, 173860, 9449291, 18898582, 37797164, 47246455, 94492910, 188985820]

約数ペア:

[(1, 188985820), (2, 94492910), (4, 47246455), (5, 37797164), (10, 18898582), (20, 9449291), (1087, 173860), (2174, 86930), (4348, 43465), (5435, 34772), (8693, 21740), (10870, 17386)]