19305328

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1889

約数の個数: 40

約数和(自身を含む): 43212512

約数和(自身を除く): 23907184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1777, 2716, 3554, 5432, 7108, 10864, 12439, 14216, 24878, 28432, 49756, 99512, 172369, 199024, 344738, 689476, 1206583, 1378952, 2413166, 2757904, 4826332, 9652664, 19305328]

約数ペア:

[(1, 19305328), (2, 9652664), (4, 4826332), (7, 2757904), (8, 2413166), (14, 1378952), (16, 1206583), (28, 689476), (56, 344738), (97, 199024), (112, 172369), (194, 99512), (388, 49756), (679, 28432), (776, 24878), (1358, 14216), (1552, 12439), (1777, 10864), (2716, 7108), (3554, 5432)]