18867682

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 11925278

約数列:

[1, 2, 23, 46, 53, 71, 106, 109, 142, 218, 1219, 1633, 2438, 2507, 3266, 3763, 5014, 5777, 7526, 7739, 11554, 15478, 86549, 132871, 173098, 177997, 265742, 355994, 410167, 820334, 9433841, 18867682]

約数ペア:

[(1, 18867682), (2, 9433841), (23, 820334), (46, 410167), (53, 355994), (71, 265742), (106, 177997), (109, 173098), (142, 132871), (218, 86549), (1219, 15478), (1633, 11554), (2438, 7739), (2507, 7526), (3266, 5777), (3763, 5014)]