18519512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 38048400

約数和(自身を除く): 19528888

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 541, 778, 1082, 1556, 2164, 3112, 4279, 4328, 5951, 8558, 11902, 17116, 23804, 34232, 47608, 210449, 420898, 841796, 1683592, 2314939, 4629878, 9259756, 18519512]

約数ペア:

[(1, 18519512), (2, 9259756), (4, 4629878), (8, 2314939), (11, 1683592), (22, 841796), (44, 420898), (88, 210449), (389, 47608), (541, 34232), (778, 23804), (1082, 17116), (1556, 11902), (2164, 8558), (3112, 5951), (4279, 4328)]