18717264

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1225

約数の個数: 80

約数和(自身を含む): 55224640

約数和(自身を除く): 36507376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1171, 1332, 1776, 1998, 2342, 2664, 3513, 3996, 4684, 5328, 7026, 7992, 9368, 10539, 14052, 15984, 18736, 21078, 28104, 31617, 42156, 43327, 56208, 63234, 84312, 86654, 126468, 129981, 168624, 173308, 252936, 259962, 346616, 389943, 505872, 519924, 693232, 779886, 1039848, 1169829, 1559772, 2079696, 2339658, 3119544, 4679316, 6239088, 9358632, 18717264]

約数ペア:

[(1, 18717264), (2, 9358632), (3, 6239088), (4, 4679316), (6, 3119544), (8, 2339658), (9, 2079696), (12, 1559772), (16, 1169829), (18, 1039848), (24, 779886), (27, 693232), (36, 519924), (37, 505872), (48, 389943), (54, 346616), (72, 259962), (74, 252936), (108, 173308), (111, 168624), (144, 129981), (148, 126468), (216, 86654), (222, 84312), (296, 63234), (333, 56208), (432, 43327), (444, 42156), (592, 31617), (666, 28104), (888, 21078), (999, 18736), (1171, 15984), (1332, 14052), (1776, 10539), (1998, 9368), (2342, 7992), (2664, 7026), (3513, 5328), (3996, 4684)]