18943133

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 21902400

約数和(自身を除く): 2959267

約数列:

[1, 11, 19, 209, 233, 389, 2563, 4279, 4427, 7391, 48697, 81301, 90637, 997007, 1722103, 18943133]

約数ペア:

[(1, 18943133), (11, 1722103), (19, 997007), (209, 90637), (233, 81301), (389, 48697), (2563, 7391), (4279, 4427)]