18468567

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17539}}^1$

素因数の和:17564

約数の個数: 20

約数和(自身を含む): 29712760

約数和(自身を除く): 11244193

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17539, 52617, 157851, 228007, 473553, 684021, 1420659, 2052063, 6156189, 18468567]

約数ペア:

[(1, 18468567), (3, 6156189), (9, 2052063), (13, 1420659), (27, 684021), (39, 473553), (81, 228007), (117, 157851), (351, 52617), (1053, 17539)]