19509028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 43069824

約数和(自身を除く): 23560796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 653, 679, 1067, 1306, 1358, 2134, 2612, 2716, 4268, 4571, 7183, 7469, 9142, 14366, 14938, 18284, 28732, 29876, 50281, 63341, 100562, 126682, 201124, 253364, 443387, 696751, 886774, 1393502, 1773548, 2787004, 4877257, 9754514, 19509028]

約数ペア:

[(1, 19509028), (2, 9754514), (4, 4877257), (7, 2787004), (11, 1773548), (14, 1393502), (22, 886774), (28, 696751), (44, 443387), (77, 253364), (97, 201124), (154, 126682), (194, 100562), (308, 63341), (388, 50281), (653, 29876), (679, 28732), (1067, 18284), (1306, 14938), (1358, 14366), (2134, 9142), (2612, 7469), (2716, 7183), (4268, 4571)]