19388236

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1693}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 38894240

約数和(自身を除く): 19506004

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 1693, 2863, 3386, 5726, 6772, 11452, 11851, 23702, 47404, 692437, 1384874, 2769748, 4847059, 9694118, 19388236]

約数ペア:

[(1, 19388236), (2, 9694118), (4, 4847059), (7, 2769748), (14, 1384874), (28, 692437), (409, 47404), (818, 23702), (1636, 11851), (1693, 11452), (2863, 6772), (3386, 5726)]