2018011788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1811}}^1\times {\mathrm{2381}}^1$

素因数の和:4215

約数の個数: 72

約数和(自身を含む): 5498818416

約数和(自身を除く): 3480806628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1811, 2381, 3622, 4762, 5433, 7143, 7244, 9524, 10866, 14286, 16299, 21429, 21732, 23543, 28572, 30953, 32598, 42858, 47086, 61906, 65196, 70629, 85716, 92859, 94172, 123812, 141258, 185718, 211887, 278577, 282516, 371436, 423774, 557154, 847548, 1114308, 4311991, 8623982, 12935973, 17247964, 25871946, 38807919, 51743892, 56055883, 77615838, 112111766, 155231676, 168167649, 224223532, 336335298, 504502947, 672670596, 1009005894, 2018011788]

約数ペア:

[(1, 2018011788), (2, 1009005894), (3, 672670596), (4, 504502947), (6, 336335298), (9, 224223532), (12, 168167649), (13, 155231676), (18, 112111766), (26, 77615838), (36, 56055883), (39, 51743892), (52, 38807919), (78, 25871946), (117, 17247964), (156, 12935973), (234, 8623982), (468, 4311991), (1811, 1114308), (2381, 847548), (3622, 557154), (4762, 423774), (5433, 371436), (7143, 282516), (7244, 278577), (9524, 211887), (10866, 185718), (14286, 141258), (16299, 123812), (21429, 94172), (21732, 92859), (23543, 85716), (28572, 70629), (30953, 65196), (32598, 61906), (42858, 47086)]