18690693

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5669}}^1$

素因数の和:5836

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 9976827

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 5669, 17007, 39683, 119049, 890033, 2670099, 6230231, 18690693]

約数ペア:

[(1, 18690693), (3, 6230231), (7, 2670099), (21, 890033), (157, 119049), (471, 39683), (1099, 17007), (3297, 5669)]