19123712

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 40

約数和(自身を含む): 39184992

約数和(自身を除く): 20061280

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 911, 1312, 1822, 2624, 3644, 5248, 7288, 10496, 14576, 20992, 29152, 37351, 58304, 74702, 116608, 149404, 233216, 298808, 466432, 597616, 1195232, 2390464, 4780928, 9561856, 19123712]

約数ペア:

[(1, 19123712), (2, 9561856), (4, 4780928), (8, 2390464), (16, 1195232), (32, 597616), (41, 466432), (64, 298808), (82, 233216), (128, 149404), (164, 116608), (256, 74702), (328, 58304), (512, 37351), (656, 29152), (911, 20992), (1312, 14576), (1822, 10496), (2624, 7288), (3644, 5248)]