19528098640

素因数分解:

$2^4\times 5^1\times {\mathrm{244101233}}^1$

素因数の和:244101246

約数の個数: 20

約数和(自身を含む): 45402829524

約数和(自身を除く): 25874730884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 244101233, 488202466, 976404932, 1220506165, 1952809864, 2441012330, 3905619728, 4882024660, 9764049320, 19528098640]

約数ペア:

[(1, 19528098640), (2, 9764049320), (4, 4882024660), (5, 3905619728), (8, 2441012330), (10, 1952809864), (16, 1220506165), (20, 976404932), (40, 488202466), (80, 244101233)]