19893145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1031}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 25411968

約数和(自身を除く): 5518823

約数列:

[1, 5, 17, 85, 227, 1031, 1135, 3859, 5155, 17527, 19295, 87635, 234037, 1170185, 3978629, 19893145]

約数ペア:

[(1, 19893145), (5, 3978629), (17, 1170185), (85, 234037), (227, 87635), (1031, 19295), (1135, 17527), (3859, 5155)]