18999464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5021}}^1$

素因数の和:5081

約数の個数: 32

約数和(自身を含む): 39774240

約数和(自身を除く): 20774776

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5021, 10042, 20084, 40168, 55231, 110462, 215903, 220924, 431806, 441848, 863612, 1727224, 2374933, 4749866, 9499732, 18999464]

約数ペア:

[(1, 18999464), (2, 9499732), (4, 4749866), (8, 2374933), (11, 1727224), (22, 863612), (43, 441848), (44, 431806), (86, 220924), (88, 215903), (172, 110462), (344, 55231), (473, 40168), (946, 20084), (1892, 10042), (3784, 5021)]