19994210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 38329200

約数和(自身を除く): 18334990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 337, 349, 674, 698, 1685, 1745, 3370, 3490, 5729, 5933, 11458, 11866, 28645, 29665, 57290, 59330, 117613, 235226, 588065, 1176130, 1999421, 3998842, 9997105, 19994210]

約数ペア:

[(1, 19994210), (2, 9997105), (5, 3998842), (10, 1999421), (17, 1176130), (34, 588065), (85, 235226), (170, 117613), (337, 59330), (349, 57290), (674, 29665), (698, 28645), (1685, 11866), (1745, 11458), (3370, 5933), (3490, 5729)]