20180193

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8377}}^1$

素因数の和:8464

約数の個数: 16

約数和(自身を含む): 29758656

約数和(自身を除く): 9578463

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8377, 25131, 92147, 276441, 611521, 1834563, 6726731, 20180193]

約数ペア:

[(1, 20180193), (3, 6726731), (11, 1834563), (33, 611521), (73, 276441), (219, 92147), (803, 25131), (2409, 8377)]