19711804

素因数分解:

$2^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2089}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 39559520

約数和(自身を除く): 19847716

約数列:

[1, 2, 4, 7, 14, 28, 337, 674, 1348, 2089, 2359, 4178, 4718, 8356, 9436, 14623, 29246, 58492, 703993, 1407986, 2815972, 4927951, 9855902, 19711804]

約数ペア:

[(1, 19711804), (2, 9855902), (4, 4927951), (7, 2815972), (14, 1407986), (28, 703993), (337, 58492), (674, 29246), (1348, 14623), (2089, 9436), (2359, 8356), (4178, 4718)]