18771588

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 56105280

約数和(自身を除く): 37333692

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 81, 92, 99, 108, 132, 138, 162, 198, 207, 229, 253, 276, 297, 324, 396, 414, 458, 506, 594, 621, 687, 759, 828, 891, 916, 1012, 1188, 1242, 1374, 1518, 1782, 1863, 2061, 2277, 2484, 2519, 2748, 3036, 3564, 3726, 4122, 4554, 5038, 5267, 6183, 6831, 7452, 7557, 8244, 9108, 10076, 10534, 12366, 13662, 15114, 15801, 18549, 20493, 21068, 22671, 24732, 27324, 30228, 31602, 37098, 40986, 45342, 47403, 57937, 63204, 68013, 74196, 81972, 90684, 94806, 115874, 136026, 142209, 173811, 189612, 204039, 231748, 272052, 284418, 347622, 408078, 426627, 521433, 568836, 695244, 816156, 853254, 1042866, 1564299, 1706508, 2085732, 3128598, 4692897, 6257196, 9385794, 18771588]

約数ペア:

[(1, 18771588), (2, 9385794), (3, 6257196), (4, 4692897), (6, 3128598), (9, 2085732), (11, 1706508), (12, 1564299), (18, 1042866), (22, 853254), (23, 816156), (27, 695244), (33, 568836), (36, 521433), (44, 426627), (46, 408078), (54, 347622), (66, 284418), (69, 272052), (81, 231748), (92, 204039), (99, 189612), (108, 173811), (132, 142209), (138, 136026), (162, 115874), (198, 94806), (207, 90684), (229, 81972), (253, 74196), (276, 68013), (297, 63204), (324, 57937), (396, 47403), (414, 45342), (458, 40986), (506, 37098), (594, 31602), (621, 30228), (687, 27324), (759, 24732), (828, 22671), (891, 21068), (916, 20493), (1012, 18549), (1188, 15801), (1242, 15114), (1374, 13662), (1518, 12366), (1782, 10534), (1863, 10076), (2061, 9108), (2277, 8244), (2484, 7557), (2519, 7452), (2748, 6831), (3036, 6183), (3564, 5267), (3726, 5038), (4122, 4554)]