18747008

素因数分解:

$2^7\times 7^4\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 80

約数和(自身を含む): 44283810

約数和(自身を除く): 25536802

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 98, 112, 122, 128, 196, 224, 244, 343, 392, 427, 448, 488, 686, 784, 854, 896, 976, 1372, 1568, 1708, 1952, 2401, 2744, 2989, 3136, 3416, 3904, 4802, 5488, 5978, 6272, 6832, 7808, 9604, 10976, 11956, 13664, 19208, 20923, 21952, 23912, 27328, 38416, 41846, 43904, 47824, 54656, 76832, 83692, 95648, 146461, 153664, 167384, 191296, 292922, 307328, 334768, 382592, 585844, 669536, 1171688, 1339072, 2343376, 2678144, 4686752, 9373504, 18747008]

約数ペア:

[(1, 18747008), (2, 9373504), (4, 4686752), (7, 2678144), (8, 2343376), (14, 1339072), (16, 1171688), (28, 669536), (32, 585844), (49, 382592), (56, 334768), (61, 307328), (64, 292922), (98, 191296), (112, 167384), (122, 153664), (128, 146461), (196, 95648), (224, 83692), (244, 76832), (343, 54656), (392, 47824), (427, 43904), (448, 41846), (488, 38416), (686, 27328), (784, 23912), (854, 21952), (896, 20923), (976, 19208), (1372, 13664), (1568, 11956), (1708, 10976), (1952, 9604), (2401, 7808), (2744, 6832), (2989, 6272), (3136, 5978), (3416, 5488), (3904, 4802)]