18158668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1327}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 34804224

約数和(自身を除く): 16645556

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1327, 2654, 3421, 5308, 6842, 13684, 14597, 29194, 58388, 412697, 825394, 1650788, 4539667, 9079334, 18158668]

約数ペア:

[(1, 18158668), (2, 9079334), (4, 4539667), (11, 1650788), (22, 825394), (44, 412697), (311, 58388), (622, 29194), (1244, 14597), (1327, 13684), (2654, 6842), (3421, 5308)]