18507888

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 62664888

約数和(自身を除く): 44157000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 49, 56, 61, 63, 72, 84, 86, 98, 112, 122, 126, 129, 144, 147, 168, 172, 183, 196, 244, 252, 258, 294, 301, 336, 344, 366, 387, 392, 427, 441, 488, 504, 516, 549, 588, 602, 688, 732, 774, 784, 854, 882, 903, 976, 1008, 1032, 1098, 1176, 1204, 1281, 1464, 1548, 1708, 1764, 1806, 2064, 2107, 2196, 2352, 2408, 2562, 2623, 2709, 2928, 2989, 3096, 3416, 3528, 3612, 3843, 4214, 4392, 4816, 5124, 5246, 5418, 5978, 6192, 6321, 6832, 7056, 7224, 7686, 7869, 8428, 8784, 8967, 10248, 10492, 10836, 11956, 12642, 14448, 15372, 15738, 16856, 17934, 18361, 18963, 20496, 20984, 21672, 23607, 23912, 25284, 26901, 30744, 31476, 33712, 35868, 36722, 37926, 41968, 43344, 47214, 47824, 50568, 53802, 55083, 61488, 62952, 71736, 73444, 75852, 94428, 101136, 107604, 110166, 125904, 128527, 143472, 146888, 151704, 165249, 188856, 215208, 220332, 257054, 293776, 303408, 330498, 377712, 385581, 430416, 440664, 514108, 660996, 771162, 881328, 1028216, 1156743, 1321992, 1542324, 2056432, 2313486, 2643984, 3084648, 4626972, 6169296, 9253944, 18507888]

約数ペア:

[(1, 18507888), (2, 9253944), (3, 6169296), (4, 4626972), (6, 3084648), (7, 2643984), (8, 2313486), (9, 2056432), (12, 1542324), (14, 1321992), (16, 1156743), (18, 1028216), (21, 881328), (24, 771162), (28, 660996), (36, 514108), (42, 440664), (43, 430416), (48, 385581), (49, 377712), (56, 330498), (61, 303408), (63, 293776), (72, 257054), (84, 220332), (86, 215208), (98, 188856), (112, 165249), (122, 151704), (126, 146888), (129, 143472), (144, 128527), (147, 125904), (168, 110166), (172, 107604), (183, 101136), (196, 94428), (244, 75852), (252, 73444), (258, 71736), (294, 62952), (301, 61488), (336, 55083), (344, 53802), (366, 50568), (387, 47824), (392, 47214), (427, 43344), (441, 41968), (488, 37926), (504, 36722), (516, 35868), (549, 33712), (588, 31476), (602, 30744), (688, 26901), (732, 25284), (774, 23912), (784, 23607), (854, 21672), (882, 20984), (903, 20496), (976, 18963), (1008, 18361), (1032, 17934), (1098, 16856), (1176, 15738), (1204, 15372), (1281, 14448), (1464, 12642), (1548, 11956), (1708, 10836), (1764, 10492), (1806, 10248), (2064, 8967), (2107, 8784), (2196, 8428), (2352, 7869), (2408, 7686), (2562, 7224), (2623, 7056), (2709, 6832), (2928, 6321), (2989, 6192), (3096, 5978), (3416, 5418), (3528, 5246), (3612, 5124), (3843, 4816), (4214, 4392)]