18788976

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 160

約数和(自身を含む): 59043840

約数和(自身を除く): 40254864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 31, 36, 46, 48, 54, 61, 62, 69, 72, 92, 93, 108, 122, 124, 138, 144, 183, 184, 186, 207, 216, 244, 248, 276, 279, 366, 368, 372, 414, 432, 488, 496, 549, 552, 558, 621, 713, 732, 744, 828, 837, 976, 1098, 1104, 1116, 1242, 1403, 1426, 1464, 1488, 1647, 1656, 1674, 1891, 2139, 2196, 2232, 2484, 2806, 2852, 2928, 3294, 3312, 3348, 3782, 4209, 4278, 4392, 4464, 4968, 5612, 5673, 5704, 6417, 6588, 6696, 7564, 8418, 8556, 8784, 9936, 11224, 11346, 11408, 12627, 12834, 13176, 13392, 15128, 16836, 17019, 17112, 19251, 22448, 22692, 25254, 25668, 26352, 30256, 33672, 34038, 34224, 37881, 38502, 43493, 45384, 50508, 51057, 51336, 67344, 68076, 75762, 77004, 86986, 90768, 101016, 102114, 102672, 130479, 136152, 151524, 154008, 173972, 202032, 204228, 260958, 272304, 303048, 308016, 347944, 391437, 408456, 521916, 606096, 695888, 782874, 816912, 1043832, 1174311, 1565748, 2087664, 2348622, 3131496, 4697244, 6262992, 9394488, 18788976]

約数ペア:

[(1, 18788976), (2, 9394488), (3, 6262992), (4, 4697244), (6, 3131496), (8, 2348622), (9, 2087664), (12, 1565748), (16, 1174311), (18, 1043832), (23, 816912), (24, 782874), (27, 695888), (31, 606096), (36, 521916), (46, 408456), (48, 391437), (54, 347944), (61, 308016), (62, 303048), (69, 272304), (72, 260958), (92, 204228), (93, 202032), (108, 173972), (122, 154008), (124, 151524), (138, 136152), (144, 130479), (183, 102672), (184, 102114), (186, 101016), (207, 90768), (216, 86986), (244, 77004), (248, 75762), (276, 68076), (279, 67344), (366, 51336), (368, 51057), (372, 50508), (414, 45384), (432, 43493), (488, 38502), (496, 37881), (549, 34224), (552, 34038), (558, 33672), (621, 30256), (713, 26352), (732, 25668), (744, 25254), (828, 22692), (837, 22448), (976, 19251), (1098, 17112), (1104, 17019), (1116, 16836), (1242, 15128), (1403, 13392), (1426, 13176), (1464, 12834), (1488, 12627), (1647, 11408), (1656, 11346), (1674, 11224), (1891, 9936), (2139, 8784), (2196, 8556), (2232, 8418), (2484, 7564), (2806, 6696), (2852, 6588), (2928, 6417), (3294, 5704), (3312, 5673), (3348, 5612), (3782, 4968), (4209, 4464), (4278, 4392)]