19949826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255767}}^1$

素因数の和:255785

約数の個数: 16

約数和(自身を含む): 42969024

約数和(自身を除く): 23019198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255767, 511534, 767301, 1534602, 3324971, 6649942, 9974913, 19949826]

約数ペア:

[(1, 19949826), (2, 9974913), (3, 6649942), (6, 3324971), (13, 1534602), (26, 767301), (39, 511534), (78, 255767)]