19929833

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5507}}^1$

素因数の和:5572

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 5451031

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5507, 38549, 60577, 258829, 424039, 1811803, 2847119, 19929833]

約数ペア:

[(1, 19929833), (7, 2847119), (11, 1811803), (47, 424039), (77, 258829), (329, 60577), (517, 38549), (3619, 5507)]