18351784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1949}}^1$

素因数の和:2073

約数の個数: 32

約数和(自身を含む): 37908000

約数和(自身を除く): 19556216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 1949, 2354, 3898, 4708, 7796, 9416, 15592, 21439, 42878, 85756, 171512, 208543, 417086, 834172, 1668344, 2293973, 4587946, 9175892, 18351784]

約数ペア:

[(1, 18351784), (2, 9175892), (4, 4587946), (8, 2293973), (11, 1668344), (22, 834172), (44, 417086), (88, 208543), (107, 171512), (214, 85756), (428, 42878), (856, 21439), (1177, 15592), (1949, 9416), (2354, 7796), (3898, 4708)]