18207812

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 38841600

約数和(自身を除く): 20633788

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 577, 644, 686, 1127, 1154, 1372, 2254, 2308, 4039, 4508, 7889, 8078, 13271, 15778, 16156, 26542, 28273, 31556, 53084, 56546, 92897, 113092, 185794, 197911, 371588, 395822, 650279, 791644, 1300558, 2601116, 4551953, 9103906, 18207812]

約数ペア:

[(1, 18207812), (2, 9103906), (4, 4551953), (7, 2601116), (14, 1300558), (23, 791644), (28, 650279), (46, 395822), (49, 371588), (92, 197911), (98, 185794), (161, 113092), (196, 92897), (322, 56546), (343, 53084), (577, 31556), (644, 28273), (686, 26542), (1127, 16156), (1154, 15778), (1372, 13271), (2254, 8078), (2308, 7889), (4039, 4508)]