20188954818

素因数分解:

$2^1\times 3^2\times {\mathrm{1121608601}}^1$

素因数の和:1121608609

約数の個数: 12

約数和(自身を含む): 43742735478

約数和(自身を除く): 23553780660

約数列:

[1, 2, 3, 6, 9, 18, 1121608601, 2243217202, 3364825803, 6729651606, 10094477409, 20188954818]

約数ペア:

[(1, 20188954818), (2, 10094477409), (3, 6729651606), (6, 3364825803), (9, 2243217202), (18, 1121608601)]