20181361024

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 47809440000

約数和(自身を除く): 27628078976

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 61, 64, 76, 83, 88, 122, 128, 149, 152, 166, 176, 209, 244, 298, 304, 332, 352, 418, 488, 596, 608, 664, 671, 704, 836, 913, 976, 1159, 1192, 1216, 1328, 1342, 1408, 1577, 1639, 1672, 1826, 1952, 2318, 2384, 2432, 2656, 2684, 2831, 3154, 3278, 3344, 3652, 3904, 4636, 4768, 5063, 5312, 5368, 5662, 6308, 6556, 6688, 7304, 7808, 9089, 9272, 9536, 10126, 10624, 10736, 11324, 12367, 12616, 12749, 13112, 13376, 14608, 17347, 18178, 18544, 19072, 20252, 21472, 22648, 24734, 25232, 25498, 26224, 26752, 29216, 31141, 34694, 36356, 37088, 40504, 42944, 45296, 49468, 50464, 50996, 52448, 55693, 58432, 62282, 69388, 72712, 74176, 81008, 85888, 90592, 96197, 98936, 99979, 100928, 101992, 104896, 111386, 116864, 124564, 136037, 138776, 145424, 148352, 162016, 172691, 181184, 192394, 197872, 199958, 201856, 203984, 209792, 222772, 234973, 249128, 272074, 277552, 290848, 324032, 345382, 362368, 384788, 395744, 399916, 407968, 445544, 469946, 498256, 544148, 555104, 581696, 648064, 690764, 754387, 769576, 791488, 799832, 815936, 891088, 939892, 996512, 1058167, 1088296, 1110208, 1163392, 1381528, 1508774, 1539152, 1582976, 1599664, 1631872, 1782176, 1879784, 1899601, 1993024, 2116334, 2176592, 2220416, 2584703, 2763056, 3017548, 3078304, 3199328, 3564352, 3759568, 3799202, 3986048, 4232668, 4353184, 5169406, 5526112, 6035096, 6156608, 6398656, 7128704, 7519136, 7598404, 8298257, 8465336, 8706368, 10338812, 11052224, 12070192, 12313216, 12797312, 14333353, 15038272, 15196808, 16596514, 16930672, 17412736, 20677624, 22104448, 24140384, 28666706, 30076544, 30393616, 33193028, 33861344, 41355248, 48280768, 57333412, 60787232, 66386056, 67722688, 82710496, 96561536, 114666824, 121574464, 132772112, 135445376, 157666883, 165420992, 229333648, 243148928, 265544224, 315333766, 330841984, 458667296, 531088448, 630667532, 917334592, 1062176896, 1261335064, 1834669184, 2522670128, 5045340256, 10090680512, 20181361024]

約数ペア:

[(1, 20181361024), (2, 10090680512), (4, 5045340256), (8, 2522670128), (11, 1834669184), (16, 1261335064), (19, 1062176896), (22, 917334592), (32, 630667532), (38, 531088448), (44, 458667296), (61, 330841984), (64, 315333766), (76, 265544224), (83, 243148928), (88, 229333648), (122, 165420992), (128, 157666883), (149, 135445376), (152, 132772112), (166, 121574464), (176, 114666824), (209, 96561536), (244, 82710496), (298, 67722688), (304, 66386056), (332, 60787232), (352, 57333412), (418, 48280768), (488, 41355248), (596, 33861344), (608, 33193028), (664, 30393616), (671, 30076544), (704, 28666706), (836, 24140384), (913, 22104448), (976, 20677624), (1159, 17412736), (1192, 16930672), (1216, 16596514), (1328, 15196808), (1342, 15038272), (1408, 14333353), (1577, 12797312), (1639, 12313216), (1672, 12070192), (1826, 11052224), (1952, 10338812), (2318, 8706368), (2384, 8465336), (2432, 8298257), (2656, 7598404), (2684, 7519136), (2831, 7128704), (3154, 6398656), (3278, 6156608), (3344, 6035096), (3652, 5526112), (3904, 5169406), (4636, 4353184), (4768, 4232668), (5063, 3986048), (5312, 3799202), (5368, 3759568), (5662, 3564352), (6308, 3199328), (6556, 3078304), (6688, 3017548), (7304, 2763056), (7808, 2584703), (9089, 2220416), (9272, 2176592), (9536, 2116334), (10126, 1993024), (10624, 1899601), (10736, 1879784), (11324, 1782176), (12367, 1631872), (12616, 1599664), (12749, 1582976), (13112, 1539152), (13376, 1508774), (14608, 1381528), (17347, 1163392), (18178, 1110208), (18544, 1088296), (19072, 1058167), (20252, 996512), (21472, 939892), (22648, 891088), (24734, 815936), (25232, 799832), (25498, 791488), (26224, 769576), (26752, 754387), (29216, 690764), (31141, 648064), (34694, 581696), (36356, 555104), (37088, 544148), (40504, 498256), (42944, 469946), (45296, 445544), (49468, 407968), (50464, 399916), (50996, 395744), (52448, 384788), (55693, 362368), (58432, 345382), (62282, 324032), (69388, 290848), (72712, 277552), (74176, 272074), (81008, 249128), (85888, 234973), (90592, 222772), (96197, 209792), (98936, 203984), (99979, 201856), (100928, 199958), (101992, 197872), (104896, 192394), (111386, 181184), (116864, 172691), (124564, 162016), (136037, 148352), (138776, 145424)]