19712888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189547}}^1$

素因数の和:189566

約数の個数: 16

約数和(自身を含む): 39805080

約数和(自身を除く): 20092192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189547, 379094, 758188, 1516376, 2464111, 4928222, 9856444, 19712888]

約数ペア:

[(1, 19712888), (2, 9856444), (4, 4928222), (8, 2464111), (13, 1516376), (26, 758188), (52, 379094), (104, 189547)]