19493660

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2251}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 41049456

約数和(自身を除く): 21555796

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2251, 4330, 4502, 8660, 9004, 11255, 22510, 45020, 974683, 1949366, 3898732, 4873415, 9746830, 19493660]

約数ペア:

[(1, 19493660), (2, 9746830), (4, 4873415), (5, 3898732), (10, 1949366), (20, 974683), (433, 45020), (866, 22510), (1732, 11255), (2165, 9004), (2251, 8660), (4330, 4502)]