19859792

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4481}}^1$

素因数の和:4766

約数の個数: 20

約数和(自身を含む): 38625876

約数和(自身を除く): 18766084

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4481, 8962, 17924, 35848, 71696, 1241237, 2482474, 4964948, 9929896, 19859792]

約数ペア:

[(1, 19859792), (2, 9929896), (4, 4964948), (8, 2482474), (16, 1241237), (277, 71696), (554, 35848), (1108, 17924), (2216, 8962), (4432, 4481)]