18665856

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 60220800

約数和(自身を除く): 41554944

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 99, 108, 128, 132, 144, 176, 192, 198, 216, 264, 288, 297, 352, 384, 396, 432, 491, 528, 576, 594, 704, 792, 864, 982, 1056, 1152, 1188, 1408, 1473, 1584, 1728, 1964, 2112, 2376, 2946, 3168, 3456, 3928, 4224, 4419, 4752, 5401, 5892, 6336, 7856, 8838, 9504, 10802, 11784, 12672, 13257, 15712, 16203, 17676, 19008, 21604, 23568, 26514, 31424, 32406, 35352, 38016, 43208, 47136, 48609, 53028, 62848, 64812, 70704, 86416, 94272, 97218, 106056, 129624, 141408, 145827, 172832, 188544, 194436, 212112, 259248, 282816, 291654, 345664, 388872, 424224, 518496, 565632, 583308, 691328, 777744, 848448, 1036992, 1166616, 1555488, 1696896, 2073984, 2333232, 3110976, 4666464, 6221952, 9332928, 18665856]

約数ペア:

[(1, 18665856), (2, 9332928), (3, 6221952), (4, 4666464), (6, 3110976), (8, 2333232), (9, 2073984), (11, 1696896), (12, 1555488), (16, 1166616), (18, 1036992), (22, 848448), (24, 777744), (27, 691328), (32, 583308), (33, 565632), (36, 518496), (44, 424224), (48, 388872), (54, 345664), (64, 291654), (66, 282816), (72, 259248), (88, 212112), (96, 194436), (99, 188544), (108, 172832), (128, 145827), (132, 141408), (144, 129624), (176, 106056), (192, 97218), (198, 94272), (216, 86416), (264, 70704), (288, 64812), (297, 62848), (352, 53028), (384, 48609), (396, 47136), (432, 43208), (491, 38016), (528, 35352), (576, 32406), (594, 31424), (704, 26514), (792, 23568), (864, 21604), (982, 19008), (1056, 17676), (1152, 16203), (1188, 15712), (1408, 13257), (1473, 12672), (1584, 11784), (1728, 10802), (1964, 9504), (2112, 8838), (2376, 7856), (2946, 6336), (3168, 5892), (3456, 5401), (3928, 4752), (4224, 4419)]