19175936

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 80

約数和(自身を含む): 42851424

約数和(自身を除く): 23675488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 67, 86, 104, 128, 134, 172, 208, 256, 268, 344, 416, 512, 536, 559, 688, 832, 871, 1072, 1118, 1376, 1664, 1742, 2144, 2236, 2752, 2881, 3328, 3484, 4288, 4472, 5504, 5762, 6656, 6968, 8576, 8944, 11008, 11524, 13936, 17152, 17888, 22016, 23048, 27872, 34304, 35776, 37453, 46096, 55744, 71552, 74906, 92192, 111488, 143104, 149812, 184384, 222976, 286208, 299624, 368768, 445952, 599248, 737536, 1198496, 1475072, 2396992, 4793984, 9587968, 19175936]

約数ペア:

[(1, 19175936), (2, 9587968), (4, 4793984), (8, 2396992), (13, 1475072), (16, 1198496), (26, 737536), (32, 599248), (43, 445952), (52, 368768), (64, 299624), (67, 286208), (86, 222976), (104, 184384), (128, 149812), (134, 143104), (172, 111488), (208, 92192), (256, 74906), (268, 71552), (344, 55744), (416, 46096), (512, 37453), (536, 35776), (559, 34304), (688, 27872), (832, 23048), (871, 22016), (1072, 17888), (1118, 17152), (1376, 13936), (1664, 11524), (1742, 11008), (2144, 8944), (2236, 8576), (2752, 6968), (2881, 6656), (3328, 5762), (3484, 5504), (4288, 4472)]