18146513

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 23294304

約数和(自身を除く): 5147791

約数列:

[1, 7, 11, 49, 77, 131, 257, 539, 917, 1441, 1799, 2827, 6419, 10087, 12593, 19789, 33667, 70609, 138523, 235669, 370337, 1649683, 2592359, 18146513]

約数ペア:

[(1, 18146513), (7, 2592359), (11, 1649683), (49, 370337), (77, 235669), (131, 138523), (257, 70609), (539, 33667), (917, 19789), (1441, 12593), (1799, 10087), (2827, 6419)]