18877716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 59317440

約数和(自身を除く): 40439724

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 33, 36, 38, 39, 44, 52, 57, 66, 76, 78, 99, 114, 117, 132, 143, 156, 171, 193, 198, 209, 228, 234, 247, 286, 342, 386, 396, 418, 429, 468, 494, 572, 579, 627, 684, 741, 772, 836, 858, 988, 1158, 1254, 1287, 1482, 1716, 1737, 1881, 2123, 2223, 2316, 2508, 2509, 2574, 2717, 2964, 3474, 3667, 3762, 4246, 4446, 5018, 5148, 5434, 6369, 6948, 7334, 7524, 7527, 8151, 8492, 8892, 10036, 10868, 11001, 12738, 14668, 15054, 16302, 19107, 22002, 22581, 24453, 25476, 27599, 30108, 32604, 33003, 38214, 40337, 44004, 45162, 47671, 48906, 55198, 66006, 76428, 80674, 82797, 90324, 95342, 97812, 110396, 121011, 132012, 143013, 161348, 165594, 190684, 242022, 248391, 286026, 331188, 363033, 429039, 484044, 496782, 524381, 572052, 726066, 858078, 993564, 1048762, 1452132, 1573143, 1716156, 2097524, 3146286, 4719429, 6292572, 9438858, 18877716]

約数ペア:

[(1, 18877716), (2, 9438858), (3, 6292572), (4, 4719429), (6, 3146286), (9, 2097524), (11, 1716156), (12, 1573143), (13, 1452132), (18, 1048762), (19, 993564), (22, 858078), (26, 726066), (33, 572052), (36, 524381), (38, 496782), (39, 484044), (44, 429039), (52, 363033), (57, 331188), (66, 286026), (76, 248391), (78, 242022), (99, 190684), (114, 165594), (117, 161348), (132, 143013), (143, 132012), (156, 121011), (171, 110396), (193, 97812), (198, 95342), (209, 90324), (228, 82797), (234, 80674), (247, 76428), (286, 66006), (342, 55198), (386, 48906), (396, 47671), (418, 45162), (429, 44004), (468, 40337), (494, 38214), (572, 33003), (579, 32604), (627, 30108), (684, 27599), (741, 25476), (772, 24453), (836, 22581), (858, 22002), (988, 19107), (1158, 16302), (1254, 15054), (1287, 14668), (1482, 12738), (1716, 11001), (1737, 10868), (1881, 10036), (2123, 8892), (2223, 8492), (2316, 8151), (2508, 7527), (2509, 7524), (2574, 7334), (2717, 6948), (2964, 6369), (3474, 5434), (3667, 5148), (3762, 5018), (4246, 4446)]