18878161708

素因数分解:

$2^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2000653}}^1$

素因数の和:2001001

約数の個数: 24

約数和(自身を含む): 37868378912

約数和(自身を除く): 18990217204

約数列:

[1, 2, 4, 7, 14, 28, 337, 674, 1348, 2359, 4718, 9436, 2000653, 4001306, 8002612, 14004571, 28009142, 56018284, 674220061, 1348440122, 2696880244, 4719540427, 9439080854, 18878161708]

約数ペア:

[(1, 18878161708), (2, 9439080854), (4, 4719540427), (7, 2696880244), (14, 1348440122), (28, 674220061), (337, 56018284), (674, 28009142), (1348, 14004571), (2359, 8002612), (4718, 4001306), (9436, 2000653)]