1980021172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{11511751}}^1$

素因数の和:11511798

約数の個数: 12

約数和(自身を含む): 3545619616

約数和(自身を除く): 1565598444

約数列:

[1, 2, 4, 43, 86, 172, 11511751, 23023502, 46047004, 495005293, 990010586, 1980021172]

約数ペア:

[(1, 1980021172), (2, 990010586), (4, 495005293), (43, 46047004), (86, 23023502), (172, 11511751)]