18661968

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3323}}^1$

素因数の和:3353

約数の個数: 80

約数和(自身を含む): 57704640

約数和(自身を除く): 39042672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3323, 5616, 6646, 9969, 13292, 19938, 26584, 29907, 39876, 43199, 53168, 59814, 79752, 86398, 89721, 119628, 129597, 159504, 172796, 179442, 239256, 259194, 345592, 358884, 388791, 478512, 518388, 691184, 717768, 777582, 1036776, 1166373, 1435536, 1555164, 2073552, 2332746, 3110328, 4665492, 6220656, 9330984, 18661968]

約数ペア:

[(1, 18661968), (2, 9330984), (3, 6220656), (4, 4665492), (6, 3110328), (8, 2332746), (9, 2073552), (12, 1555164), (13, 1435536), (16, 1166373), (18, 1036776), (24, 777582), (26, 717768), (27, 691184), (36, 518388), (39, 478512), (48, 388791), (52, 358884), (54, 345592), (72, 259194), (78, 239256), (104, 179442), (108, 172796), (117, 159504), (144, 129597), (156, 119628), (208, 89721), (216, 86398), (234, 79752), (312, 59814), (351, 53168), (432, 43199), (468, 39876), (624, 29907), (702, 26584), (936, 19938), (1404, 13292), (1872, 9969), (2808, 6646), (3323, 5616)]