18801664

素因数分解:

$2^{10}\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 88

約数和(自身を含む): 44673728

約数和(自身を除く): 25872064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 61, 64, 86, 112, 122, 128, 172, 224, 244, 256, 301, 344, 427, 448, 488, 512, 602, 688, 854, 896, 976, 1024, 1204, 1376, 1708, 1792, 1952, 2408, 2623, 2752, 3416, 3584, 3904, 4816, 5246, 5504, 6832, 7168, 7808, 9632, 10492, 11008, 13664, 15616, 18361, 19264, 20984, 22016, 27328, 31232, 36722, 38528, 41968, 44032, 54656, 62464, 73444, 77056, 83936, 109312, 146888, 154112, 167872, 218624, 293776, 308224, 335744, 437248, 587552, 671488, 1175104, 1342976, 2350208, 2685952, 4700416, 9400832, 18801664]

約数ペア:

[(1, 18801664), (2, 9400832), (4, 4700416), (7, 2685952), (8, 2350208), (14, 1342976), (16, 1175104), (28, 671488), (32, 587552), (43, 437248), (56, 335744), (61, 308224), (64, 293776), (86, 218624), (112, 167872), (122, 154112), (128, 146888), (172, 109312), (224, 83936), (244, 77056), (256, 73444), (301, 62464), (344, 54656), (427, 44032), (448, 41968), (488, 38528), (512, 36722), (602, 31232), (688, 27328), (854, 22016), (896, 20984), (976, 19264), (1024, 18361), (1204, 15616), (1376, 13664), (1708, 11008), (1792, 10492), (1952, 9632), (2408, 7808), (2623, 7168), (2752, 6832), (3416, 5504), (3584, 5246), (3904, 4816)]