18607864

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 39261600

約数和(自身を除く): 20653736

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 409, 484, 517, 818, 968, 1034, 1636, 2068, 3272, 4136, 4499, 5687, 8998, 11374, 17996, 19223, 22748, 35992, 38446, 45496, 49489, 76892, 98978, 153784, 197956, 211453, 395912, 422906, 845812, 1691624, 2325983, 4651966, 9303932, 18607864]

約数ペア:

[(1, 18607864), (2, 9303932), (4, 4651966), (8, 2325983), (11, 1691624), (22, 845812), (44, 422906), (47, 395912), (88, 211453), (94, 197956), (121, 153784), (188, 98978), (242, 76892), (376, 49489), (409, 45496), (484, 38446), (517, 35992), (818, 22748), (968, 19223), (1034, 17996), (1636, 11374), (2068, 8998), (3272, 5687), (4136, 4499)]