19758027

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 27251840

約数和(自身を除く): 7493813

約数列:

[1, 3, 43, 97, 129, 291, 1579, 4171, 4737, 12513, 67897, 153163, 203691, 459489, 6586009, 19758027]

約数ペア:

[(1, 19758027), (3, 6586009), (43, 459489), (97, 203691), (129, 153163), (291, 67897), (1579, 12513), (4171, 4737)]