18982591

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 20913984

約数和(自身を除く): 1931393

約数列:

[1, 17, 37, 103, 293, 629, 1751, 3811, 4981, 10841, 30179, 64787, 184297, 513043, 1116623, 18982591]

約数ペア:

[(1, 18982591), (17, 1116623), (37, 513043), (103, 184297), (293, 64787), (629, 30179), (1751, 10841), (3811, 4981)]