18690672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 64995840

約数和(自身を除く): 46305168

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 231, 264, 273, 286, 308, 312, 336, 364, 389, 429, 462, 528, 546, 572, 616, 624, 728, 778, 858, 924, 1001, 1092, 1144, 1167, 1232, 1456, 1556, 1716, 1848, 2002, 2184, 2288, 2334, 2723, 3003, 3112, 3432, 3696, 4004, 4279, 4368, 4668, 5057, 5446, 6006, 6224, 6864, 8008, 8169, 8558, 9336, 10114, 10892, 12012, 12837, 15171, 16016, 16338, 17116, 18672, 20228, 21784, 24024, 25674, 29953, 30342, 32676, 34232, 35399, 40456, 43568, 48048, 51348, 55627, 59906, 60684, 65352, 68464, 70798, 80912, 89859, 102696, 106197, 111254, 119812, 121368, 130704, 141596, 166881, 179718, 205392, 212394, 222508, 239624, 242736, 283192, 333762, 359436, 389389, 424788, 445016, 479248, 566384, 667524, 718872, 778778, 849576, 890032, 1168167, 1335048, 1437744, 1557556, 1699152, 2336334, 2670096, 3115112, 4672668, 6230224, 9345336, 18690672]

約数ペア:

[(1, 18690672), (2, 9345336), (3, 6230224), (4, 4672668), (6, 3115112), (7, 2670096), (8, 2336334), (11, 1699152), (12, 1557556), (13, 1437744), (14, 1335048), (16, 1168167), (21, 890032), (22, 849576), (24, 778778), (26, 718872), (28, 667524), (33, 566384), (39, 479248), (42, 445016), (44, 424788), (48, 389389), (52, 359436), (56, 333762), (66, 283192), (77, 242736), (78, 239624), (84, 222508), (88, 212394), (91, 205392), (104, 179718), (112, 166881), (132, 141596), (143, 130704), (154, 121368), (156, 119812), (168, 111254), (176, 106197), (182, 102696), (208, 89859), (231, 80912), (264, 70798), (273, 68464), (286, 65352), (308, 60684), (312, 59906), (336, 55627), (364, 51348), (389, 48048), (429, 43568), (462, 40456), (528, 35399), (546, 34232), (572, 32676), (616, 30342), (624, 29953), (728, 25674), (778, 24024), (858, 21784), (924, 20228), (1001, 18672), (1092, 17116), (1144, 16338), (1167, 16016), (1232, 15171), (1456, 12837), (1556, 12012), (1716, 10892), (1848, 10114), (2002, 9336), (2184, 8558), (2288, 8169), (2334, 8008), (2723, 6864), (3003, 6224), (3112, 6006), (3432, 5446), (3696, 5057), (4004, 4668), (4279, 4368)]