19988844

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^2\times {\mathrm{593}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 47617416

約数和(自身を除く): 27628572

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 593, 636, 1186, 1779, 2372, 2809, 3558, 5618, 7116, 8427, 11236, 16854, 31429, 33708, 62858, 94287, 125716, 188574, 377148, 1665737, 3331474, 4997211, 6662948, 9994422, 19988844]

約数ペア:

[(1, 19988844), (2, 9994422), (3, 6662948), (4, 4997211), (6, 3331474), (12, 1665737), (53, 377148), (106, 188574), (159, 125716), (212, 94287), (318, 62858), (593, 33708), (636, 31429), (1186, 16854), (1779, 11236), (2372, 8427), (2809, 7116), (3558, 5618)]