18731918

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1751

約数の個数: 16

約数和(自身を含む): 28976640

約数和(自身を除く): 10244722

約数列:

[1, 2, 43, 86, 139, 278, 1567, 3134, 5977, 11954, 67381, 134762, 217813, 435626, 9365959, 18731918]

約数ペア:

[(1, 18731918), (2, 9365959), (43, 435626), (86, 217813), (139, 134762), (278, 67381), (1567, 11954), (3134, 5977)]