19678212

素因数分解:

$2^2\times 3^2\times {\mathrm{546617}}^1$

素因数の和:546627

約数の個数: 18

約数和(自身を含む): 49742238

約数和(自身を除く): 30064026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 546617, 1093234, 1639851, 2186468, 3279702, 4919553, 6559404, 9839106, 19678212]

約数ペア:

[(1, 19678212), (2, 9839106), (3, 6559404), (4, 4919553), (6, 3279702), (9, 2186468), (12, 1639851), (18, 1093234), (36, 546617)]