18758964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 51850848

約数和(自身を除く): 33091884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 523, 588, 732, 854, 1046, 1281, 1569, 1708, 2092, 2562, 2989, 3138, 3661, 5124, 5978, 6276, 7322, 8967, 10983, 11956, 14644, 17934, 21966, 25627, 31903, 35868, 43932, 51254, 63806, 76881, 95709, 102508, 127612, 153762, 191418, 223321, 307524, 382836, 446642, 669963, 893284, 1339926, 1563247, 2679852, 3126494, 4689741, 6252988, 9379482, 18758964]

約数ペア:

[(1, 18758964), (2, 9379482), (3, 6252988), (4, 4689741), (6, 3126494), (7, 2679852), (12, 1563247), (14, 1339926), (21, 893284), (28, 669963), (42, 446642), (49, 382836), (61, 307524), (84, 223321), (98, 191418), (122, 153762), (147, 127612), (183, 102508), (196, 95709), (244, 76881), (294, 63806), (366, 51254), (427, 43932), (523, 35868), (588, 31903), (732, 25627), (854, 21966), (1046, 17934), (1281, 14644), (1569, 11956), (1708, 10983), (2092, 8967), (2562, 7322), (2989, 6276), (3138, 5978), (3661, 5124)]