18791368

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1399}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 18504632

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1399, 1679, 2798, 3358, 5596, 6716, 11192, 13432, 32177, 64354, 102127, 128708, 204254, 257416, 408508, 817016, 2348921, 4697842, 9395684, 18791368]

約数ペア:

[(1, 18791368), (2, 9395684), (4, 4697842), (8, 2348921), (23, 817016), (46, 408508), (73, 257416), (92, 204254), (146, 128708), (184, 102127), (292, 64354), (584, 32177), (1399, 13432), (1679, 11192), (2798, 6716), (3358, 5596)]