18874089

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12409}}^1$

素因数の和:12441

約数の個数: 18

約数和(自身を含む): 29523390

約数和(自身を除く): 10649301

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12409, 37227, 111681, 161317, 483951, 1451853, 2097121, 6291363, 18874089]

約数ペア:

[(1, 18874089), (3, 6291363), (9, 2097121), (13, 1451853), (39, 483951), (117, 161317), (169, 111681), (507, 37227), (1521, 12409)]