18820628736

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 864

約数和(自身を含む): 69524517888

約数和(自身を除く): 50703889152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 31, 32, 34, 39, 42, 48, 49, 51, 52, 56, 62, 64, 68, 73, 78, 84, 91, 93, 96, 98, 102, 104, 112, 119, 124, 128, 136, 146, 147, 156, 168, 182, 186, 192, 196, 204, 208, 217, 219, 221, 224, 238, 248, 256, 272, 273, 292, 294, 312, 336, 357, 364, 372, 384, 392, 403, 408, 416, 434, 438, 442, 448, 476, 496, 511, 527, 544, 546, 584, 588, 624, 637, 651, 663, 672, 714, 728, 744, 768, 784, 806, 816, 832, 833, 868, 876, 884, 896, 949, 952, 992, 1022, 1054, 1088, 1092, 1168, 1176, 1209, 1241, 1248, 1274, 1302, 1326, 1344, 1428, 1456, 1488, 1519, 1533, 1547, 1568, 1581, 1612, 1632, 1664, 1666, 1736, 1752, 1768, 1792, 1898, 1904, 1911, 1984, 2044, 2108, 2176, 2184, 2263, 2336, 2352, 2418, 2482, 2496, 2499, 2548, 2604, 2652, 2688, 2821, 2847, 2856, 2912, 2976, 3038, 3066, 3094, 3136, 3162, 3224, 3264, 3328, 3332, 3472, 3504, 3536, 3577, 3689, 3723, 3796, 3808, 3822, 3968, 4088, 4216, 4352, 4368, 4526, 4557, 4641, 4672, 4704, 4836, 4964, 4992, 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約数ペア:

[(1, 18820628736), (2, 9410314368), (3, 6273542912), (4, 4705157184), (6, 3136771456), (7, 2688661248), (8, 2352578592), (12, 1568385728), (13, 1447740672), (14, 1344330624), (16, 1176289296), (17, 1107095808), (21, 896220416), (24, 784192864), (26, 723870336), (28, 672165312), (31, 607117056), (32, 588144648), (34, 553547904), (39, 482580224), (42, 448110208), (48, 392096432), (49, 384094464), (51, 369031936), (52, 361935168), (56, 336082656), (62, 303558528), (64, 294072324), (68, 276773952), (73, 257816832), (78, 241290112), (84, 224055104), (91, 206820096), (93, 202372352), (96, 196048216), (98, 192047232), (102, 184515968), (104, 180967584), (112, 168041328), (119, 158156544), (124, 151779264), (128, 147036162), (136, 138386976), (146, 128908416), (147, 128031488), (156, 120645056), (168, 112027552), (182, 103410048), (186, 101186176), (192, 98024108), (196, 96023616), (204, 92257984), (208, 90483792), (217, 86731008), (219, 85938944), (221, 85161216), (224, 84020664), (238, 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