18800740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134291}}^1$

素因数の和:134307

約数の個数: 24

約数和(自身を含む): 45122112

約数和(自身を除く): 26321372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134291, 268582, 537164, 671455, 940037, 1342910, 1880074, 2685820, 3760148, 4700185, 9400370, 18800740]

約数ペア:

[(1, 18800740), (2, 9400370), (4, 4700185), (5, 3760148), (7, 2685820), (10, 1880074), (14, 1342910), (20, 940037), (28, 671455), (35, 537164), (70, 268582), (140, 134291)]