18705173504

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 176

約数和(自身を含む): 40854844800

約数和(自身を除く): 22149671296

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 131, 152, 164, 179, 256, 262, 304, 328, 358, 512, 524, 608, 656, 716, 779, 1024, 1048, 1216, 1312, 1432, 1558, 2096, 2432, 2489, 2624, 2864, 3116, 3401, 4192, 4864, 4978, 5248, 5371, 5728, 6232, 6802, 7339, 8384, 9728, 9956, 10496, 10742, 11456, 12464, 13604, 14678, 16768, 19456, 19912, 20992, 21484, 22912, 23449, 24928, 27208, 29356, 33536, 39824, 41984, 42968, 45824, 46898, 49856, 54416, 58712, 67072, 79648, 85936, 91648, 93796, 99712, 102049, 108832, 117424, 134144, 139441, 159296, 171872, 183296, 187592, 199424, 204098, 217664, 234848, 278882, 318592, 343744, 375184, 398848, 408196, 435328, 445531, 469696, 557764, 637184, 687488, 750368, 797696, 816392, 870656, 891062, 939392, 961409, 1115528, 1274368, 1374976, 1500736, 1632784, 1741312, 1782124, 1878784, 1922818, 2231056, 2548736, 2749952, 3001472, 3265568, 3482624, 3564248, 3757568, 3845636, 4462112, 5499904, 6002944, 6531136, 7128496, 7515136, 7691272, 8924224, 12005888, 13062272, 14256992, 15382544, 17848448, 18266771, 24011776, 26124544, 28513984, 30765088, 35696896, 36533542, 52249088, 57027968, 61530176, 71393792, 73067084, 104498176, 114055936, 123060352, 142787584, 146134168, 228111872, 246120704, 292268336, 456223744, 492241408, 584536672, 984482816, 1169073344, 2338146688, 4676293376, 9352586752, 18705173504]

約数ペア:

[(1, 18705173504), (2, 9352586752), (4, 4676293376), (8, 2338146688), (16, 1169073344), (19, 984482816), (32, 584536672), (38, 492241408), (41, 456223744), (64, 292268336), (76, 246120704), (82, 228111872), (128, 146134168), (131, 142787584), (152, 123060352), (164, 114055936), (179, 104498176), (256, 73067084), (262, 71393792), (304, 61530176), (328, 57027968), (358, 52249088), (512, 36533542), (524, 35696896), (608, 30765088), (656, 28513984), (716, 26124544), (779, 24011776), (1024, 18266771), (1048, 17848448), (1216, 15382544), (1312, 14256992), (1432, 13062272), (1558, 12005888), (2096, 8924224), (2432, 7691272), (2489, 7515136), (2624, 7128496), (2864, 6531136), (3116, 6002944), (3401, 5499904), (4192, 4462112), (4864, 3845636), (4978, 3757568), (5248, 3564248), (5371, 3482624), (5728, 3265568), (6232, 3001472), (6802, 2749952), (7339, 2548736), (8384, 2231056), (9728, 1922818), (9956, 1878784), (10496, 1782124), (10742, 1741312), (11456, 1632784), (12464, 1500736), (13604, 1374976), (14678, 1274368), (16768, 1115528), (19456, 961409), (19912, 939392), (20992, 891062), (21484, 870656), (22912, 816392), (23449, 797696), (24928, 750368), (27208, 687488), (29356, 637184), (33536, 557764), (39824, 469696), (41984, 445531), (42968, 435328), (45824, 408196), (46898, 398848), (49856, 375184), (54416, 343744), (58712, 318592), (67072, 278882), (79648, 234848), (85936, 217664), (91648, 204098), (93796, 199424), (99712, 187592), (102049, 183296), (108832, 171872), (117424, 159296), (134144, 139441)]