18827116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5557}}^1$

素因数の和:5590

約数の個数: 36

約数和(自身を含む): 41395984

約数和(自身を除く): 22568868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5557, 11114, 22228, 38899, 61127, 77798, 122254, 155596, 244508, 427889, 672397, 855778, 1344794, 1711556, 2689588, 4706779, 9413558, 18827116]

約数ペア:

[(1, 18827116), (2, 9413558), (4, 4706779), (7, 2689588), (11, 1711556), (14, 1344794), (22, 855778), (28, 672397), (44, 427889), (77, 244508), (121, 155596), (154, 122254), (242, 77798), (308, 61127), (484, 38899), (847, 22228), (1694, 11114), (3388, 5557)]