19987728384

素因数分解:

$2^{11}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{997}}^1$

素因数の和:1286

約数の個数: 192

約数和(自身を含む): 57673062720

約数和(自身を除く): 37685334336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 251, 256, 312, 384, 416, 502, 512, 624, 753, 768, 832, 997, 1004, 1024, 1248, 1506, 1536, 1664, 1994, 2008, 2048, 2496, 2991, 3012, 3072, 3263, 3328, 3988, 4016, 4992, 5982, 6024, 6144, 6526, 6656, 7976, 8032, 9789, 9984, 11964, 12048, 12961, 13052, 13312, 15952, 16064, 19578, 19968, 23928, 24096, 25922, 26104, 26624, 31904, 32128, 38883, 39156, 39936, 47856, 48192, 51844, 52208, 63808, 64256, 77766, 78312, 79872, 95712, 96384, 103688, 104416, 127616, 128512, 155532, 156624, 191424, 192768, 207376, 208832, 250247, 255232, 257024, 311064, 313248, 382848, 385536, 414752, 417664, 500494, 510464, 514048, 622128, 626496, 750741, 765696, 771072, 829504, 835328, 1000988, 1020928, 1244256, 1252992, 1501482, 1531392, 1542144, 1659008, 1670656, 2001976, 2041856, 2488512, 2505984, 3002964, 3062784, 3253211, 3318016, 3341312, 4003952, 4977024, 5011968, 6005928, 6125568, 6506422, 6636032, 6682624, 8007904, 9759633, 9954048, 10023936, 12011856, 13012844, 13272064, 16015808, 19519266, 19908096, 20047872, 24023712, 26025688, 26544128, 32031616, 39038532, 39816192, 48047424, 52051376, 64063232, 78077064, 79632384, 96094848, 104102752, 128126464, 156154128, 192189696, 208205504, 256252928, 312308256, 384379392, 416411008, 512505856, 624616512, 768758784, 832822016, 1249233024, 1537517568, 1665644032, 2498466048, 3331288064, 4996932096, 6662576128, 9993864192, 19987728384]

約数ペア:

[(1, 19987728384), (2, 9993864192), (3, 6662576128), (4, 4996932096), (6, 3331288064), (8, 2498466048), (12, 1665644032), (13, 1537517568), (16, 1249233024), (24, 832822016), (26, 768758784), (32, 624616512), (39, 512505856), (48, 416411008), (52, 384379392), (64, 312308256), (78, 256252928), (96, 208205504), (104, 192189696), (128, 156154128), (156, 128126464), (192, 104102752), (208, 96094848), (251, 79632384), (256, 78077064), (312, 64063232), (384, 52051376), (416, 48047424), (502, 39816192), (512, 39038532), (624, 32031616), (753, 26544128), (768, 26025688), (832, 24023712), (997, 20047872), (1004, 19908096), (1024, 19519266), (1248, 16015808), (1506, 13272064), (1536, 13012844), (1664, 12011856), (1994, 10023936), (2008, 9954048), (2048, 9759633), (2496, 8007904), (2991, 6682624), (3012, 6636032), (3072, 6506422), (3263, 6125568), (3328, 6005928), (3988, 5011968), (4016, 4977024), (4992, 4003952), (5982, 3341312), (6024, 3318016), (6144, 3253211), (6526, 3062784), (6656, 3002964), (7976, 2505984), (8032, 2488512), (9789, 2041856), (9984, 2001976), (11964, 1670656), (12048, 1659008), (12961, 1542144), (13052, 1531392), (13312, 1501482), (15952, 1252992), (16064, 1244256), (19578, 1020928), (19968, 1000988), (23928, 835328), (24096, 829504), (25922, 771072), (26104, 765696), (26624, 750741), (31904, 626496), (32128, 622128), (38883, 514048), (39156, 510464), (39936, 500494), (47856, 417664), (48192, 414752), (51844, 385536), (52208, 382848), (63808, 313248), (64256, 311064), (77766, 257024), (78312, 255232), (79872, 250247), (95712, 208832), (96384, 207376), (103688, 192768), (104416, 191424), (127616, 156624), (128512, 155532)]