18821438464

素因数分解:

$2^{10}\times {\mathrm{67}}^1\times {\mathrm{274333}}^1$

素因数の和:274420

約数の個数: 44

約数和(自身を含む): 38186195464

約数和(自身を除く): 19364757000

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 512, 536, 1024, 1072, 2144, 4288, 8576, 17152, 34304, 68608, 274333, 548666, 1097332, 2194664, 4389328, 8778656, 17557312, 18380311, 35114624, 36760622, 70229248, 73521244, 140458496, 147042488, 280916992, 294084976, 588169952, 1176339904, 2352679808, 4705359616, 9410719232, 18821438464]

約数ペア:

[(1, 18821438464), (2, 9410719232), (4, 4705359616), (8, 2352679808), (16, 1176339904), (32, 588169952), (64, 294084976), (67, 280916992), (128, 147042488), (134, 140458496), (256, 73521244), (268, 70229248), (512, 36760622), (536, 35114624), (1024, 18380311), (1072, 17557312), (2144, 8778656), (4288, 4389328), (8576, 2194664), (17152, 1097332), (34304, 548666), (68608, 274333)]