19980857571

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1384387}}^1$

素因数の和:1384690

約数の個数: 16

約数和(自身を含む): 28307965824

約数和(自身を除く): 8327108253

約数列:

[1, 3, 17, 51, 283, 849, 4811, 14433, 1384387, 4153161, 23534579, 70603737, 391781521, 1175344563, 6660285857, 19980857571]

約数ペア:

[(1, 19980857571), (3, 6660285857), (17, 1175344563), (51, 391781521), (283, 70603737), (849, 23534579), (4811, 4153161), (14433, 1384387)]