19689185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2153}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 24814080

約数和(自身を除く): 5124895

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2153, 9145, 10765, 66743, 127027, 333715, 635135, 3937837, 19689185]

約数ペア:

[(1, 19689185), (5, 3937837), (31, 635135), (59, 333715), (155, 127027), (295, 66743), (1829, 10765), (2153, 9145)]