18091648

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 39045600

約数和(自身を除く): 20953952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 173, 304, 344, 346, 608, 688, 692, 817, 1216, 1376, 1384, 1634, 2432, 2752, 2768, 3268, 3287, 5504, 5536, 6536, 6574, 7439, 11072, 13072, 13148, 14878, 22144, 26144, 26296, 29756, 52288, 52592, 59512, 104576, 105184, 119024, 141341, 210368, 238048, 282682, 420736, 476096, 565364, 952192, 1130728, 2261456, 4522912, 9045824, 18091648]

約数ペア:

[(1, 18091648), (2, 9045824), (4, 4522912), (8, 2261456), (16, 1130728), (19, 952192), (32, 565364), (38, 476096), (43, 420736), (64, 282682), (76, 238048), (86, 210368), (128, 141341), (152, 119024), (172, 105184), (173, 104576), (304, 59512), (344, 52592), (346, 52288), (608, 29756), (688, 26296), (692, 26144), (817, 22144), (1216, 14878), (1376, 13148), (1384, 13072), (1634, 11072), (2432, 7439), (2752, 6574), (2768, 6536), (3268, 5536), (3287, 5504)]