18403946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1301}}^1$

素因数の和:1957

約数の個数: 16

約数和(自身を含む): 30185568

約数和(自身を除く): 11781622

約数列:

[1, 2, 11, 22, 643, 1286, 1301, 2602, 7073, 14146, 14311, 28622, 836543, 1673086, 9201973, 18403946]

約数ペア:

[(1, 18403946), (2, 9201973), (11, 1673086), (22, 836543), (643, 28622), (1286, 14311), (1301, 14146), (2602, 7073)]