19085920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17041}}^1$

素因数の和:17063

約数の個数: 48

約数和(自身を含む): 51535008

約数和(自身を除く): 32449088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17041, 34082, 68164, 85205, 119287, 136328, 170410, 238574, 272656, 340820, 477148, 545312, 596435, 681640, 954296, 1192870, 1363280, 1908592, 2385740, 2726560, 3817184, 4771480, 9542960, 19085920]

約数ペア:

[(1, 19085920), (2, 9542960), (4, 4771480), (5, 3817184), (7, 2726560), (8, 2385740), (10, 1908592), (14, 1363280), (16, 1192870), (20, 954296), (28, 681640), (32, 596435), (35, 545312), (40, 477148), (56, 340820), (70, 272656), (80, 238574), (112, 170410), (140, 136328), (160, 119287), (224, 85205), (280, 68164), (560, 34082), (1120, 17041)]