18987408

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{11987}}^1$

素因数の和:12012

約数の個数: 60

約数和(自身を含む): 57973968

約数和(自身を除く): 38986560

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 11987, 23974, 35961, 47948, 71922, 95896, 107883, 131857, 143844, 191792, 215766, 263714, 287688, 395571, 431532, 527428, 575376, 791142, 863064, 1054856, 1186713, 1582284, 1726128, 2109712, 2373426, 3164568, 4746852, 6329136, 9493704, 18987408]

約数ペア:

[(1, 18987408), (2, 9493704), (3, 6329136), (4, 4746852), (6, 3164568), (8, 2373426), (9, 2109712), (11, 1726128), (12, 1582284), (16, 1186713), (18, 1054856), (22, 863064), (24, 791142), (33, 575376), (36, 527428), (44, 431532), (48, 395571), (66, 287688), (72, 263714), (88, 215766), (99, 191792), (132, 143844), (144, 131857), (176, 107883), (198, 95896), (264, 71922), (396, 47948), (528, 35961), (792, 23974), (1584, 11987)]