18737712

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 62094240

約数和(自身を除く): 43356528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 56, 58, 63, 72, 84, 87, 112, 116, 126, 144, 168, 174, 203, 232, 252, 261, 336, 348, 406, 464, 504, 522, 609, 641, 696, 812, 1008, 1044, 1218, 1282, 1392, 1624, 1827, 1923, 2088, 2436, 2564, 3248, 3654, 3846, 4176, 4487, 4872, 5128, 5769, 7308, 7692, 8974, 9744, 10256, 11538, 13461, 14616, 15384, 17948, 18589, 23076, 26922, 29232, 30768, 35896, 37178, 40383, 46152, 53844, 55767, 71792, 74356, 80766, 92304, 107688, 111534, 130123, 148712, 161532, 167301, 215376, 223068, 260246, 297424, 323064, 334602, 390369, 446136, 520492, 646128, 669204, 780738, 892272, 1040984, 1171107, 1338408, 1561476, 2081968, 2342214, 2676816, 3122952, 4684428, 6245904, 9368856, 18737712]

約数ペア:

[(1, 18737712), (2, 9368856), (3, 6245904), (4, 4684428), (6, 3122952), (7, 2676816), (8, 2342214), (9, 2081968), (12, 1561476), (14, 1338408), (16, 1171107), (18, 1040984), (21, 892272), (24, 780738), (28, 669204), (29, 646128), (36, 520492), (42, 446136), (48, 390369), (56, 334602), (58, 323064), (63, 297424), (72, 260246), (84, 223068), (87, 215376), (112, 167301), (116, 161532), (126, 148712), (144, 130123), (168, 111534), (174, 107688), (203, 92304), (232, 80766), (252, 74356), (261, 71792), (336, 55767), (348, 53844), (406, 46152), (464, 40383), (504, 37178), (522, 35896), (609, 30768), (641, 29232), (696, 26922), (812, 23076), (1008, 18589), (1044, 17948), (1218, 15384), (1282, 14616), (1392, 13461), (1624, 11538), (1827, 10256), (1923, 9744), (2088, 8974), (2436, 7692), (2564, 7308), (3248, 5769), (3654, 5128), (3846, 4872), (4176, 4487)]