19417255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2089}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 27537840

約数和(自身を除く): 8120585

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 2089, 9295, 10445, 22979, 27157, 114895, 135785, 298727, 353041, 1493635, 1765205, 3883451, 19417255]

約数ペア:

[(1, 19417255), (5, 3883451), (11, 1765205), (13, 1493635), (55, 353041), (65, 298727), (143, 135785), (169, 114895), (715, 27157), (845, 22979), (1859, 10445), (2089, 9295)]