19786137

素因数分解:

$3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1123}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 30213120

約数和(自身を除く): 10426983

約数列:

[1, 3, 7, 21, 839, 1123, 2517, 3369, 5873, 7861, 17619, 23583, 942197, 2826591, 6595379, 19786137]

約数ペア:

[(1, 19786137), (3, 6595379), (7, 2826591), (21, 942197), (839, 23583), (1123, 17619), (2517, 7861), (3369, 5873)]