19998363

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86573}}^1$

素因数の和:86594

約数の個数: 16

約数和(自身を含む): 33244416

約数和(自身を除く): 13246053

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86573, 259719, 606011, 952303, 1818033, 2856909, 6666121, 19998363]

約数ペア:

[(1, 19998363), (3, 6666121), (7, 2856909), (11, 1818033), (21, 952303), (33, 606011), (77, 259719), (231, 86573)]