19996333

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 24150016

約数和(自身を除く): 4153683

約数列:

[1, 7, 31, 43, 217, 301, 1333, 2143, 9331, 15001, 66433, 92149, 465031, 645043, 2856619, 19996333]

約数ペア:

[(1, 19996333), (7, 2856619), (31, 645043), (43, 465031), (217, 92149), (301, 66433), (1333, 15001), (2143, 9331)]