18715696902

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{81929}}^1$

素因数の和:81995

約数の個数: 96

約数和(自身を含む): 48568104000

約数和(自身を除く): 29852407098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 343, 441, 518, 666, 686, 777, 882, 1029, 1554, 1813, 2058, 2331, 3087, 3626, 4662, 5439, 6174, 10878, 12691, 16317, 25382, 32634, 38073, 76146, 81929, 114219, 163858, 228438, 245787, 491574, 573503, 737361, 1147006, 1474722, 1720509, 3031373, 3441018, 4014521, 5161527, 6062746, 8029042, 9094119, 10323054, 12043563, 18188238, 21219611, 24087126, 27282357, 28101647, 36130689, 42439222, 54564714, 56203294, 63658833, 72261378, 84304941, 127317666, 148537277, 168609882, 190976499, 252914823, 297074554, 381952998, 445611831, 505829646, 891223662, 1039760939, 1336835493, 2079521878, 2673670986, 3119282817, 6238565634, 9357848451, 18715696902]

約数ペア:

[(1, 18715696902), (2, 9357848451), (3, 6238565634), (6, 3119282817), (7, 2673670986), (9, 2079521878), (14, 1336835493), (18, 1039760939), (21, 891223662), (37, 505829646), (42, 445611831), (49, 381952998), (63, 297074554), (74, 252914823), (98, 190976499), (111, 168609882), (126, 148537277), (147, 127317666), (222, 84304941), (259, 72261378), (294, 63658833), (333, 56203294), (343, 54564714), (441, 42439222), (518, 36130689), (666, 28101647), (686, 27282357), (777, 24087126), (882, 21219611), (1029, 18188238), (1554, 12043563), (1813, 10323054), (2058, 9094119), (2331, 8029042), (3087, 6062746), (3626, 5161527), (4662, 4014521), (5439, 3441018), (6174, 3031373), (10878, 1720509), (12691, 1474722), (16317, 1147006), (25382, 737361), (32634, 573503), (38073, 491574), (76146, 245787), (81929, 228438), (114219, 163858)]