2018219792

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{14741}}^1$

素因数の和:14991

約数の個数: 40

約数和(自身を含む): 4021617600

約数和(自身を除く): 2003397808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 199, 344, 398, 688, 796, 1592, 3184, 8557, 14741, 17114, 29482, 34228, 58964, 68456, 117928, 136912, 235856, 633863, 1267726, 2535452, 2933459, 5070904, 5866918, 10141808, 11733836, 23467672, 46935344, 126138737, 252277474, 504554948, 1009109896, 2018219792]

約数ペア:

[(1, 2018219792), (2, 1009109896), (4, 504554948), (8, 252277474), (16, 126138737), (43, 46935344), (86, 23467672), (172, 11733836), (199, 10141808), (344, 5866918), (398, 5070904), (688, 2933459), (796, 2535452), (1592, 1267726), (3184, 633863), (8557, 235856), (14741, 136912), (17114, 117928), (29482, 68456), (34228, 58964)]