18765802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13167638

約数列:

[1, 2, 11, 22, 43, 83, 86, 166, 239, 473, 478, 913, 946, 1826, 2629, 3569, 5258, 7138, 10277, 19837, 20554, 39259, 39674, 78518, 113047, 218207, 226094, 436414, 852991, 1705982, 9382901, 18765802]

約数ペア:

[(1, 18765802), (2, 9382901), (11, 1705982), (22, 852991), (43, 436414), (83, 226094), (86, 218207), (166, 113047), (239, 78518), (473, 39674), (478, 39259), (913, 20554), (946, 19837), (1826, 10277), (2629, 7138), (3569, 5258)]