19540904

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{34403}}^1$

素因数の和:34480

約数の個数: 16

約数和(自身を含む): 37156320

約数和(自身を除く): 17615416

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 34403, 68806, 137612, 275224, 2442613, 4885226, 9770452, 19540904]

約数ペア:

[(1, 19540904), (2, 9770452), (4, 4885226), (8, 2442613), (71, 275224), (142, 137612), (284, 68806), (568, 34403)]