19315712

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1484

約数の個数: 44

約数和(自身を含む): 41611416

約数和(自身を除く): 22295704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1451, 1664, 2902, 3328, 5804, 6656, 11608, 13312, 18863, 23216, 37726, 46432, 75452, 92864, 150904, 185728, 301808, 371456, 603616, 742912, 1207232, 1485824, 2414464, 4828928, 9657856, 19315712]

約数ペア:

[(1, 19315712), (2, 9657856), (4, 4828928), (8, 2414464), (13, 1485824), (16, 1207232), (26, 742912), (32, 603616), (52, 371456), (64, 301808), (104, 185728), (128, 150904), (208, 92864), (256, 75452), (416, 46432), (512, 37726), (832, 23216), (1024, 18863), (1451, 13312), (1664, 11608), (2902, 6656), (3328, 5804)]