19471780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10037}}^1$

素因数の和:10143

約数の個数: 24

約数和(自身を含む): 41316408

約数和(自身を除く): 21844628

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10037, 20074, 40148, 50185, 100370, 200740, 973589, 1947178, 3894356, 4867945, 9735890, 19471780]

約数ペア:

[(1, 19471780), (2, 9735890), (4, 4867945), (5, 3894356), (10, 1947178), (20, 973589), (97, 200740), (194, 100370), (388, 50185), (485, 40148), (970, 20074), (1940, 10037)]