18840159

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{569}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 29462160

約数和(自身を除く): 10622001

約数列:

[1, 3, 9, 13, 39, 117, 283, 569, 849, 1707, 2547, 3679, 5121, 7397, 11037, 22191, 33111, 66573, 161027, 483081, 1449243, 2093351, 6280053, 18840159]

約数ペア:

[(1, 18840159), (3, 6280053), (9, 2093351), (13, 1449243), (39, 483081), (117, 161027), (283, 66573), (569, 33111), (849, 22191), (1707, 11037), (2547, 7397), (3679, 5121)]