19585984

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:713

約数の個数: 56

約数和(自身を含む): 43452288

約数和(自身を除く): 23866304

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 172, 176, 344, 352, 473, 647, 688, 704, 946, 1294, 1376, 1892, 2588, 2752, 3784, 5176, 7117, 7568, 10352, 14234, 15136, 20704, 27821, 28468, 30272, 41408, 55642, 56936, 111284, 113872, 222568, 227744, 306031, 445136, 455488, 612062, 890272, 1224124, 1780544, 2448248, 4896496, 9792992, 19585984]

約数ペア:

[(1, 19585984), (2, 9792992), (4, 4896496), (8, 2448248), (11, 1780544), (16, 1224124), (22, 890272), (32, 612062), (43, 455488), (44, 445136), (64, 306031), (86, 227744), (88, 222568), (172, 113872), (176, 111284), (344, 56936), (352, 55642), (473, 41408), (647, 30272), (688, 28468), (704, 27821), (946, 20704), (1294, 15136), (1376, 14234), (1892, 10352), (2588, 7568), (2752, 7117), (3784, 5176)]