19978556544

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{912763}}^1$

素因数の和:912802

約数の個数: 96

約数和(自身を含む): 60516253200

約数和(自身を除く): 40537696656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 288, 304, 342, 384, 456, 576, 608, 684, 912, 1152, 1216, 1368, 1824, 2432, 2736, 3648, 5472, 7296, 10944, 21888, 912763, 1825526, 2738289, 3651052, 5476578, 7302104, 8214867, 10953156, 14604208, 16429734, 17342497, 21906312, 29208416, 32859468, 34684994, 43812624, 52027491, 58416832, 65718936, 69369988, 87625248, 104054982, 116833664, 131437872, 138739976, 156082473, 175250496, 208109964, 262875744, 277479952, 312164946, 350500992, 416219928, 525751488, 554959904, 624329892, 832439856, 1051502976, 1109919808, 1248659784, 1664879712, 2219839616, 2497319568, 3329759424, 4994639136, 6659518848, 9989278272, 19978556544]

約数ペア:

[(1, 19978556544), (2, 9989278272), (3, 6659518848), (4, 4994639136), (6, 3329759424), (8, 2497319568), (9, 2219839616), (12, 1664879712), (16, 1248659784), (18, 1109919808), (19, 1051502976), (24, 832439856), (32, 624329892), (36, 554959904), (38, 525751488), (48, 416219928), (57, 350500992), (64, 312164946), (72, 277479952), (76, 262875744), (96, 208109964), (114, 175250496), (128, 156082473), (144, 138739976), (152, 131437872), (171, 116833664), (192, 104054982), (228, 87625248), (288, 69369988), (304, 65718936), (342, 58416832), (384, 52027491), (456, 43812624), (576, 34684994), (608, 32859468), (684, 29208416), (912, 21906312), (1152, 17342497), (1216, 16429734), (1368, 14604208), (1824, 10953156), (2432, 8214867), (2736, 7302104), (3648, 5476578), (5472, 3651052), (7296, 2738289), (10944, 1825526), (21888, 912763)]