19389519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 29718000

約数和(自身を除く): 10328481

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 761, 1341, 2283, 2831, 6849, 8493, 14459, 25479, 43377, 113389, 130131, 340167, 1020501, 2154391, 6463173, 19389519]

約数ペア:

[(1, 19389519), (3, 6463173), (9, 2154391), (19, 1020501), (57, 340167), (149, 130131), (171, 113389), (447, 43377), (761, 25479), (1341, 14459), (2283, 8493), (2831, 6849)]