19871126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 34276608

約数和(自身を除く): 14405482

約数列:

[1, 2, 11, 22, 23, 46, 173, 227, 253, 346, 454, 506, 1903, 2497, 3806, 3979, 4994, 5221, 7958, 10442, 39271, 43769, 57431, 78542, 87538, 114862, 431981, 863962, 903233, 1806466, 9935563, 19871126]

約数ペア:

[(1, 19871126), (2, 9935563), (11, 1806466), (22, 903233), (23, 863962), (46, 431981), (173, 114862), (227, 87538), (253, 78542), (346, 57431), (454, 43769), (506, 39271), (1903, 10442), (2497, 7958), (3806, 5221), (3979, 4994)]