18977181608

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:712

約数の個数: 256

約数和(自身を含む): 48596889600

約数和(自身を除く): 29619707992

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 41, 44, 56, 71, 76, 77, 82, 88, 133, 142, 152, 154, 164, 209, 266, 284, 287, 308, 328, 418, 451, 497, 532, 557, 568, 574, 616, 779, 781, 836, 902, 994, 1064, 1114, 1148, 1349, 1463, 1558, 1562, 1672, 1804, 1988, 2228, 2296, 2698, 2911, 2926, 3116, 3124, 3157, 3608, 3899, 3976, 4456, 5396, 5453, 5467, 5822, 5852, 6127, 6232, 6248, 6314, 7798, 8569, 9443, 10583, 10792, 10906, 10934, 11644, 11704, 12254, 12628, 14839, 15596, 17138, 18886, 20377, 21166, 21812, 21868, 22837, 23288, 24508, 25256, 29678, 31192, 32021, 34276, 37772, 39547, 40754, 42332, 42889, 43624, 43736, 45674, 49016, 55309, 59356, 59983, 64042, 68552, 74081, 75544, 79094, 81508, 84664, 85778, 91348, 103873, 110618, 116413, 118712, 119966, 128084, 148162, 158188, 159859, 163016, 171556, 182696, 207746, 221236, 224147, 232826, 239932, 251207, 256168, 276829, 296324, 316376, 319718, 343112, 387163, 415492, 433903, 435017, 442472, 448294, 465652, 479864, 502414, 553658, 592648, 608399, 639436, 751393, 774326, 814891, 830984, 867806, 870034, 896588, 931304, 1004828, 1107316, 1216798, 1278872, 1502786, 1548652, 1621427, 1629782, 1735612, 1740068, 1758449, 1793176, 2009656, 2214632, 2433596, 3005572, 3037321, 3045119, 3097304, 3242854, 3259564, 3471224, 3480136, 3516898, 4258793, 4772933, 4867192, 5259751, 6011144, 6074642, 6090238, 6485708, 6519128, 7033796, 8265323, 8517586, 9545866, 10519502, 11349989, 12149284, 12180476, 12971416, 14067592, 16530646, 17035172, 17835697, 19091732, 21039004, 22699978, 24298568, 24360952, 30807113, 33061292, 33410531, 34070344, 35671394, 38183464, 42078008, 45399956, 57857261, 61614226, 66122584, 66821062, 71342788, 90799912, 115714522, 123228452, 124849879, 133642124, 142685576, 215649791, 231429044, 246456904, 249699758, 267284248, 338878243, 431299582, 462858088, 499399516, 677756486, 862599164, 998799032, 1355512972, 1725198328, 2372147701, 2711025944, 4744295402, 9488590804, 18977181608]

約数ペア:

[(1, 18977181608), (2, 9488590804), (4, 4744295402), (7, 2711025944), (8, 2372147701), (11, 1725198328), (14, 1355512972), (19, 998799032), (22, 862599164), (28, 677756486), (38, 499399516), (41, 462858088), (44, 431299582), (56, 338878243), (71, 267284248), (76, 249699758), (77, 246456904), (82, 231429044), (88, 215649791), (133, 142685576), (142, 133642124), (152, 124849879), (154, 123228452), (164, 115714522), (209, 90799912), (266, 71342788), (284, 66821062), (287, 66122584), (308, 61614226), (328, 57857261), (418, 45399956), (451, 42078008), (497, 38183464), (532, 35671394), (557, 34070344), (568, 33410531), (574, 33061292), (616, 30807113), (779, 24360952), (781, 24298568), (836, 22699978), (902, 21039004), (994, 19091732), (1064, 17835697), (1114, 17035172), (1148, 16530646), (1349, 14067592), (1463, 12971416), (1558, 12180476), (1562, 12149284), (1672, 11349989), (1804, 10519502), (1988, 9545866), (2228, 8517586), (2296, 8265323), (2698, 7033796), (2911, 6519128), (2926, 6485708), (3116, 6090238), (3124, 6074642), (3157, 6011144), (3608, 5259751), (3899, 4867192), (3976, 4772933), (4456, 4258793), (5396, 3516898), (5453, 3480136), (5467, 3471224), (5822, 3259564), (5852, 3242854), (6127, 3097304), (6232, 3045119), (6248, 3037321), (6314, 3005572), (7798, 2433596), (8569, 2214632), (9443, 2009656), (10583, 1793176), (10792, 1758449), (10906, 1740068), (10934, 1735612), (11644, 1629782), (11704, 1621427), (12254, 1548652), (12628, 1502786), (14839, 1278872), (15596, 1216798), (17138, 1107316), (18886, 1004828), (20377, 931304), (21166, 896588), (21812, 870034), (21868, 867806), (22837, 830984), (23288, 814891), (24508, 774326), (25256, 751393), (29678, 639436), (31192, 608399), (32021, 592648), (34276, 553658), (37772, 502414), (39547, 479864), (40754, 465652), (42332, 448294), (42889, 442472), (43624, 435017), (43736, 433903), (45674, 415492), (49016, 387163), (55309, 343112), (59356, 319718), (59983, 316376), (64042, 296324), (68552, 276829), (74081, 256168), (75544, 251207), (79094, 239932), (81508, 232826), (84664, 224147), (85778, 221236), (91348, 207746), (103873, 182696), (110618, 171556), (116413, 163016), (118712, 159859), (119966, 158188), (128084, 148162)]