18796851

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 28501824

約数和(自身を除く): 9704973

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1201, 1739, 3603, 5217, 10809, 15651, 44437, 56447, 133311, 169341, 399933, 508023, 2088539, 6265617, 18796851]

約数ペア:

[(1, 18796851), (3, 6265617), (9, 2088539), (37, 508023), (47, 399933), (111, 169341), (141, 133311), (333, 56447), (423, 44437), (1201, 15651), (1739, 10809), (3603, 5217)]