18277666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^2$

素因数の和:334

約数の個数: 24

約数和(自身を含む): 30826224

約数和(自身を除く): 12548558

約数列:

[1, 2, 11, 22, 43, 86, 139, 278, 473, 946, 1529, 3058, 5977, 11954, 19321, 38642, 65747, 131494, 212531, 425062, 830803, 1661606, 9138833, 18277666]

約数ペア:

[(1, 18277666), (2, 9138833), (11, 1661606), (22, 830803), (43, 425062), (86, 212531), (139, 131494), (278, 65747), (473, 38642), (946, 19321), (1529, 11954), (3058, 5977)]