19677995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1249}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 24840000

約数和(自身を除く): 5162005

約数列:

[1, 5, 23, 115, 137, 685, 1249, 3151, 6245, 15755, 28727, 143635, 171113, 855565, 3935599, 19677995]

約数ペア:

[(1, 19677995), (5, 3935599), (23, 855565), (115, 171113), (137, 143635), (685, 28727), (1249, 15755), (3151, 6245)]