19540898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5407}}^1$

素因数の和:5561

約数の個数: 16

約数和(自身を含む): 31799040

約数和(自身を除く): 12258142

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5407, 10814, 70291, 140582, 751573, 1503146, 9770449, 19540898]

約数ペア:

[(1, 19540898), (2, 9770449), (13, 1503146), (26, 751573), (139, 140582), (278, 70291), (1807, 10814), (3614, 5407)]