19023640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4903}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 43253280

約数和(自身を除く): 24229640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4903, 9806, 19612, 24515, 39224, 49030, 98060, 196120, 475591, 951182, 1902364, 2377955, 3804728, 4755910, 9511820, 19023640]

約数ペア:

[(1, 19023640), (2, 9511820), (4, 4755910), (5, 3804728), (8, 2377955), (10, 1902364), (20, 951182), (40, 475591), (97, 196120), (194, 98060), (388, 49030), (485, 39224), (776, 24515), (970, 19612), (1940, 9806), (3880, 4903)]