18997014036

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 864

約数和(自身を含む): 68469166080

約数和(自身を除く): 49472152044

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 19, 21, 22, 23, 26, 28, 33, 38, 39, 42, 44, 46, 47, 49, 52, 57, 66, 69, 76, 77, 78, 84, 91, 92, 94, 98, 114, 121, 132, 133, 138, 141, 143, 147, 154, 156, 161, 182, 188, 196, 209, 228, 231, 242, 247, 253, 266, 273, 276, 282, 286, 294, 299, 308, 322, 329, 363, 364, 399, 418, 429, 437, 462, 483, 484, 494, 506, 517, 532, 539, 546, 564, 572, 588, 598, 611, 627, 637, 644, 658, 726, 741, 759, 798, 836, 847, 858, 874, 893, 897, 924, 931, 966, 987, 988, 1001, 1012, 1034, 1078, 1081, 1092, 1127, 1196, 1222, 1254, 1274, 1311, 1316, 1452, 1463, 1482, 1518, 1551, 1573, 1596, 1617, 1694, 1716, 1729, 1748, 1771, 1786, 1794, 1833, 1862, 1911, 1932, 1974, 2002, 2068, 2093, 2156, 2162, 2254, 2299, 2303, 2444, 2508, 2541, 2548, 2622, 2679, 2717, 2783, 2793, 2926, 2964, 3003, 3036, 3059, 3102, 3146, 3234, 3243, 3289, 3381, 3388, 3458, 3542, 3572, 3588, 3619, 3666, 3724, 3822, 3948, 4004, 4186, 4277, 4324, 4389, 4508, 4598, 4606, 4719, 4807, 5082, 5187, 5244, 5313, 5358, 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約数ペア:

[(1, 18997014036), (2, 9498507018), (3, 6332338012), (4, 4749253509), (6, 3166169006), (7, 2713859148), (11, 1727001276), (12, 1583084503), (13, 1461308772), (14, 1356929574), (19, 999842844), (21, 904619716), (22, 863500638), (23, 825957132), (26, 730654386), (28, 678464787), (33, 575667092), (38, 499921422), (39, 487102924), (42, 452309858), (44, 431750319), (46, 412978566), (47, 404191788), (49, 387694164), (52, 365327193), (57, 333280948), (66, 287833546), (69, 275319044), (76, 249960711), (77, 246714468), (78, 243551462), (84, 226154929), (91, 208758396), (92, 206489283), (94, 202095894), (98, 193847082), (114, 166640474), (121, 157000116), (132, 143916773), (133, 142834692), (138, 137659522), (141, 134730596), (143, 132846252), (147, 129231388), (154, 123357234), (156, 121775731), (161, 117993876), (182, 104379198), (188, 101047947), (196, 96923541), (209, 90894804), (228, 83320237), (231, 82238156), (242, 78500058), (247, 76910988), (253, 75087012), (266, 71417346), (273, 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