19681884

素因数分解:

$2^2\times 3^2\times {\mathrm{546719}}^1$

素因数の和:546729

約数の個数: 18

約数和(自身を含む): 49751520

約数和(自身を除く): 30069636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 546719, 1093438, 1640157, 2186876, 3280314, 4920471, 6560628, 9840942, 19681884]

約数ペア:

[(1, 19681884), (2, 9840942), (3, 6560628), (4, 4920471), (6, 3280314), (9, 2186876), (12, 1640157), (18, 1093438), (36, 546719)]