20109182

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{823}}^1$

素因数の和:1487

約数の個数: 16

約数和(自身を含む): 31839360

約数和(自身を除く): 11730178

約数列:

[1, 2, 19, 38, 643, 823, 1286, 1646, 12217, 15637, 24434, 31274, 529189, 1058378, 10054591, 20109182]

約数ペア:

[(1, 20109182), (2, 10054591), (19, 1058378), (38, 529189), (643, 31274), (823, 24434), (1286, 15637), (1646, 12217)]