19690728

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11239}}^1$

素因数の和:11321

約数の個数: 32

約数和(自身を含む): 49905600

約数和(自身を除く): 30214872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11239, 22478, 33717, 44956, 67434, 89912, 134868, 269736, 820447, 1640894, 2461341, 3281788, 4922682, 6563576, 9845364, 19690728]

約数ペア:

[(1, 19690728), (2, 9845364), (3, 6563576), (4, 4922682), (6, 3281788), (8, 2461341), (12, 1640894), (24, 820447), (73, 269736), (146, 134868), (219, 89912), (292, 67434), (438, 44956), (584, 33717), (876, 22478), (1752, 11239)]