19802530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{180023}}^1$

素因数の和:180041

約数の個数: 16

約数和(自身を含む): 38885184

約数和(自身を除く): 19082654

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 180023, 360046, 900115, 1800230, 1980253, 3960506, 9901265, 19802530]

約数ペア:

[(1, 19802530), (2, 9901265), (5, 3960506), (10, 1980253), (11, 1800230), (22, 900115), (55, 360046), (110, 180023)]