20181877216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 45477573120

約数和(自身を除く): 25295695904

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 67, 68, 76, 134, 136, 151, 152, 193, 268, 272, 302, 304, 323, 386, 536, 544, 604, 608, 646, 772, 1072, 1139, 1208, 1273, 1292, 1544, 2144, 2278, 2416, 2546, 2567, 2584, 2869, 3088, 3281, 3667, 4556, 4832, 5092, 5134, 5168, 5738, 6176, 6562, 7334, 9112, 10117, 10184, 10268, 10336, 11476, 12931, 13124, 14668, 18224, 20234, 20368, 20536, 21641, 22952, 25862, 26248, 29143, 29336, 36448, 40468, 40736, 41072, 43282, 45904, 48773, 51724, 52496, 58286, 58672, 62339, 80936, 82144, 86564, 91808, 97546, 103448, 104992, 116572, 117344, 124678, 161872, 171989, 173128, 192223, 195092, 206896, 219827, 233144, 245689, 249356, 323744, 343978, 346256, 384446, 390184, 413792, 439654, 466288, 491378, 495431, 498712, 553717, 687956, 692512, 768892, 780368, 879308, 932576, 982756, 990862, 997424, 1107434, 1375912, 1537784, 1560736, 1758616, 1952581, 1965512, 1981724, 1994848, 2214868, 2751824, 3075568, 3267791, 3517232, 3905162, 3931024, 3963448, 4176713, 4429736, 5503648, 6151136, 6535582, 7034464, 7810324, 7862048, 7926896, 8353426, 8859472, 9413189, 13071164, 15620648, 15853792, 16706852, 17718944, 18826378, 26142328, 31241296, 33193877, 33413704, 37099039, 37652756, 52284656, 62482592, 66387754, 66827408, 74198078, 75305512, 104569312, 132775508, 133654816, 148396156, 150611024, 265551016, 296792312, 301222048, 531102032, 593584624, 630683663, 1062204064, 1187169248, 1261367326, 2522734652, 5045469304, 10090938608, 20181877216]

約数ペア:

[(1, 20181877216), (2, 10090938608), (4, 5045469304), (8, 2522734652), (16, 1261367326), (17, 1187169248), (19, 1062204064), (32, 630683663), (34, 593584624), (38, 531102032), (67, 301222048), (68, 296792312), (76, 265551016), (134, 150611024), (136, 148396156), (151, 133654816), (152, 132775508), (193, 104569312), (268, 75305512), (272, 74198078), (302, 66827408), (304, 66387754), (323, 62482592), (386, 52284656), (536, 37652756), (544, 37099039), (604, 33413704), (608, 33193877), (646, 31241296), (772, 26142328), (1072, 18826378), (1139, 17718944), (1208, 16706852), (1273, 15853792), (1292, 15620648), (1544, 13071164), (2144, 9413189), (2278, 8859472), (2416, 8353426), (2546, 7926896), (2567, 7862048), (2584, 7810324), (2869, 7034464), (3088, 6535582), (3281, 6151136), (3667, 5503648), (4556, 4429736), (4832, 4176713), (5092, 3963448), (5134, 3931024), (5168, 3905162), (5738, 3517232), (6176, 3267791), (6562, 3075568), (7334, 2751824), (9112, 2214868), (10117, 1994848), (10184, 1981724), (10268, 1965512), (10336, 1952581), (11476, 1758616), (12931, 1560736), (13124, 1537784), (14668, 1375912), (18224, 1107434), (20234, 997424), (20368, 990862), (20536, 982756), (21641, 932576), (22952, 879308), (25862, 780368), (26248, 768892), (29143, 692512), (29336, 687956), (36448, 553717), (40468, 498712), (40736, 495431), (41072, 491378), (43282, 466288), (45904, 439654), (48773, 413792), (51724, 390184), (52496, 384446), (58286, 346256), (58672, 343978), (62339, 323744), (80936, 249356), (82144, 245689), (86564, 233144), (91808, 219827), (97546, 206896), (103448, 195092), (104992, 192223), (116572, 173128), (117344, 171989), (124678, 161872)]