19516508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8369}}^1$

素因数の和:8437

約数の個数: 24

約数和(自身を含む): 37966320

約数和(自身を除く): 18449812

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8369, 16738, 33476, 92059, 184118, 368236, 443557, 887114, 1774228, 4879127, 9758254, 19516508]

約数ペア:

[(1, 19516508), (2, 9758254), (4, 4879127), (11, 1774228), (22, 887114), (44, 443557), (53, 368236), (106, 184118), (212, 92059), (583, 33476), (1166, 16738), (2332, 8369)]