18889416

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 66729600

約数和(自身を除く): 47840184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 31, 36, 39, 42, 52, 54, 56, 62, 63, 72, 78, 84, 91, 93, 104, 108, 117, 124, 126, 156, 168, 182, 186, 189, 216, 217, 234, 248, 252, 273, 279, 312, 351, 364, 372, 378, 403, 434, 468, 504, 546, 558, 651, 702, 728, 744, 756, 806, 819, 837, 868, 936, 961, 1092, 1116, 1209, 1302, 1404, 1512, 1612, 1638, 1674, 1736, 1922, 1953, 2184, 2232, 2418, 2457, 2604, 2808, 2821, 2883, 3224, 3276, 3348, 3627, 3844, 3906, 4836, 4914, 5208, 5642, 5766, 5859, 6552, 6696, 6727, 7254, 7688, 7812, 8463, 8649, 9672, 9828, 10881, 11284, 11532, 11718, 12493, 13454, 14508, 15624, 16926, 17298, 19656, 20181, 21762, 22568, 23064, 23436, 24986, 25389, 25947, 26908, 29016, 33852, 34596, 37479, 40362, 43524, 46872, 49972, 50778, 51894, 53816, 60543, 67704, 69192, 74958, 76167, 80724, 87048, 87451, 99944, 101556, 103788, 112437, 121086, 149916, 152334, 161448, 174902, 181629, 203112, 207576, 224874, 242172, 262353, 299832, 304668, 337311, 349804, 363258, 449748, 484344, 524706, 609336, 674622, 699608, 726516, 787059, 899496, 1049412, 1349244, 1453032, 1574118, 2098824, 2361177, 2698488, 3148236, 4722354, 6296472, 9444708, 18889416]

約数ペア:

[(1, 18889416), (2, 9444708), (3, 6296472), (4, 4722354), (6, 3148236), (7, 2698488), (8, 2361177), (9, 2098824), (12, 1574118), (13, 1453032), (14, 1349244), (18, 1049412), (21, 899496), (24, 787059), (26, 726516), (27, 699608), (28, 674622), (31, 609336), (36, 524706), (39, 484344), (42, 449748), (52, 363258), (54, 349804), (56, 337311), (62, 304668), (63, 299832), (72, 262353), (78, 242172), (84, 224874), (91, 207576), (93, 203112), (104, 181629), (108, 174902), (117, 161448), (124, 152334), (126, 149916), (156, 121086), (168, 112437), (182, 103788), (186, 101556), (189, 99944), (216, 87451), (217, 87048), (234, 80724), (248, 76167), (252, 74958), (273, 69192), (279, 67704), (312, 60543), (351, 53816), (364, 51894), (372, 50778), (378, 49972), (403, 46872), (434, 43524), (468, 40362), (504, 37479), (546, 34596), (558, 33852), (651, 29016), (702, 26908), (728, 25947), (744, 25389), (756, 24986), (806, 23436), (819, 23064), (837, 22568), (868, 21762), (936, 20181), (961, 19656), (1092, 17298), (1116, 16926), (1209, 15624), (1302, 14508), (1404, 13454), (1512, 12493), (1612, 11718), (1638, 11532), (1674, 11284), (1736, 10881), (1922, 9828), (1953, 9672), (2184, 8649), (2232, 8463), (2418, 7812), (2457, 7688), (2604, 7254), (2808, 6727), (2821, 6696), (2883, 6552), (3224, 5859), (3276, 5766), (3348, 5642), (3627, 5208), (3844, 4914), (3906, 4836)]