18820714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11719}}^1$

素因数の和:11805

約数の個数: 16

約数和(自身を含む): 31222080

約数和(自身を除く): 12401366

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 11719, 23438, 128909, 257818, 855487, 1710974, 9410357, 18820714]

約数ペア:

[(1, 18820714), (2, 9410357), (11, 1710974), (22, 855487), (73, 257818), (146, 128909), (803, 23438), (1606, 11719)]