19902298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5507}}^1$

素因数の和:5661

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 12484742

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5507, 11014, 71591, 143182, 765473, 1530946, 9951149, 19902298]

約数ペア:

[(1, 19902298), (2, 9951149), (13, 1530946), (26, 765473), (139, 143182), (278, 71591), (1807, 11014), (3614, 5507)]