18647552

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 47892768

約数和(自身を除く): 29245216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 64, 77, 86, 88, 112, 121, 128, 154, 172, 176, 224, 242, 256, 301, 308, 344, 352, 448, 473, 484, 512, 602, 616, 688, 704, 847, 896, 946, 968, 1204, 1232, 1376, 1408, 1694, 1792, 1892, 1936, 2408, 2464, 2752, 2816, 3311, 3388, 3584, 3784, 3872, 4816, 4928, 5203, 5504, 5632, 6622, 6776, 7568, 7744, 9632, 9856, 10406, 11008, 13244, 13552, 15136, 15488, 19264, 19712, 20812, 22016, 26488, 27104, 30272, 30976, 36421, 38528, 39424, 41624, 52976, 54208, 60544, 61952, 72842, 77056, 83248, 105952, 108416, 121088, 145684, 154112, 166496, 211904, 216832, 242176, 291368, 332992, 423808, 433664, 582736, 665984, 847616, 1165472, 1331968, 1695232, 2330944, 2663936, 4661888, 9323776, 18647552]

約数ペア:

[(1, 18647552), (2, 9323776), (4, 4661888), (7, 2663936), (8, 2330944), (11, 1695232), (14, 1331968), (16, 1165472), (22, 847616), (28, 665984), (32, 582736), (43, 433664), (44, 423808), (56, 332992), (64, 291368), (77, 242176), (86, 216832), (88, 211904), (112, 166496), (121, 154112), (128, 145684), (154, 121088), (172, 108416), (176, 105952), (224, 83248), (242, 77056), (256, 72842), (301, 61952), (308, 60544), (344, 54208), (352, 52976), (448, 41624), (473, 39424), (484, 38528), (512, 36421), (602, 30976), (616, 30272), (688, 27104), (704, 26488), (847, 22016), (896, 20812), (946, 19712), (968, 19264), (1204, 15488), (1232, 15136), (1376, 13552), (1408, 13244), (1694, 11008), (1792, 10406), (1892, 9856), (1936, 9632), (2408, 7744), (2464, 7568), (2752, 6776), (2816, 6622), (3311, 5632), (3388, 5504), (3584, 5203), (3784, 4928), (3872, 4816)]