19785472

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 46128992

約数和(自身を除く): 26343520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 181, 224, 244, 256, 362, 427, 448, 488, 724, 854, 896, 976, 1267, 1448, 1708, 1792, 1952, 2534, 2896, 3416, 3904, 5068, 5792, 6832, 7808, 10136, 11041, 11584, 13664, 15616, 20272, 22082, 23168, 27328, 40544, 44164, 46336, 54656, 77287, 81088, 88328, 109312, 154574, 162176, 176656, 309148, 324352, 353312, 618296, 706624, 1236592, 1413248, 2473184, 2826496, 4946368, 9892736, 19785472]

約数ペア:

[(1, 19785472), (2, 9892736), (4, 4946368), (7, 2826496), (8, 2473184), (14, 1413248), (16, 1236592), (28, 706624), (32, 618296), (56, 353312), (61, 324352), (64, 309148), (112, 176656), (122, 162176), (128, 154574), (181, 109312), (224, 88328), (244, 81088), (256, 77287), (362, 54656), (427, 46336), (448, 44164), (488, 40544), (724, 27328), (854, 23168), (896, 22082), (976, 20272), (1267, 15616), (1448, 13664), (1708, 11584), (1792, 11041), (1952, 10136), (2534, 7808), (2896, 6832), (3416, 5792), (3904, 5068)]