19680876

素因数分解:

$2^2\times 3^2\times {\mathrm{546691}}^1$

素因数の和:546701

約数の個数: 18

約数和(自身を含む): 49748972

約数和(自身を除く): 30068096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 546691, 1093382, 1640073, 2186764, 3280146, 4920219, 6560292, 9840438, 19680876]

約数ペア:

[(1, 19680876), (2, 9840438), (3, 6560292), (4, 4920219), (6, 3280146), (9, 2186764), (12, 1640073), (18, 1093382), (36, 546691)]