19938268

素因数分解:

$2^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2113}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 40013792

約数和(自身を除く): 20075524

約数列:

[1, 2, 4, 7, 14, 28, 337, 674, 1348, 2113, 2359, 4226, 4718, 8452, 9436, 14791, 29582, 59164, 712081, 1424162, 2848324, 4984567, 9969134, 19938268]

約数ペア:

[(1, 19938268), (2, 9969134), (4, 4984567), (7, 2848324), (14, 1424162), (28, 712081), (337, 59164), (674, 29582), (1348, 14791), (2113, 9436), (2359, 8452), (4226, 4718)]