19859144

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{4877}}^1$

素因数の和:5392

約数の個数: 16

約数和(自身を含む): 37316700

約数和(自身を除く): 17457556

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 4877, 9754, 19508, 39016, 2482393, 4964786, 9929572, 19859144]

約数ペア:

[(1, 19859144), (2, 9929572), (4, 4964786), (8, 2482393), (509, 39016), (1018, 19508), (2036, 9754), (4072, 4877)]