19506512

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10789}}^1$

素因数の和:10910

約数の個数: 20

約数和(自身を含む): 38131860

約数和(自身を除く): 18625348

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10789, 21578, 43156, 86312, 172624, 1219157, 2438314, 4876628, 9753256, 19506512]

約数ペア:

[(1, 19506512), (2, 9753256), (4, 4876628), (8, 2438314), (16, 1219157), (113, 172624), (226, 86312), (452, 43156), (904, 21578), (1808, 10789)]