19448420

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1709}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 40937400

約数和(自身を除く): 21488980

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1709, 2276, 2845, 3418, 5690, 6836, 8545, 11380, 17090, 34180, 972421, 1944842, 3889684, 4862105, 9724210, 19448420]

約数ペア:

[(1, 19448420), (2, 9724210), (4, 4862105), (5, 3889684), (10, 1944842), (20, 972421), (569, 34180), (1138, 17090), (1709, 11380), (2276, 8545), (2845, 6836), (3418, 5690)]