18797966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 32541696

約数和(自身を除く): 13743730

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 641, 682, 946, 1282, 1333, 2666, 7051, 14102, 14663, 19871, 27563, 29326, 39742, 55126, 218581, 303193, 437162, 606386, 854453, 1708906, 9398983, 18797966]

約数ペア:

[(1, 18797966), (2, 9398983), (11, 1708906), (22, 854453), (31, 606386), (43, 437162), (62, 303193), (86, 218581), (341, 55126), (473, 39742), (641, 29326), (682, 27563), (946, 19871), (1282, 14663), (1333, 14102), (2666, 7051)]