18697708

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{65837}}^1$

素因数の和:65912

約数の個数: 12

約数和(自身を含む): 33182352

約数和(自身を除く): 14484644

約数列:

[1, 2, 4, 71, 142, 284, 65837, 131674, 263348, 4674427, 9348854, 18697708]

約数ペア:

[(1, 18697708), (2, 9348854), (4, 4674427), (71, 263348), (142, 131674), (284, 65837)]