18795009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2213}}^1$

素因数の和:2384

約数の個数: 16

約数和(自身を含む): 26568000

約数和(自身を除く): 7772991

約数列:

[1, 3, 19, 57, 149, 447, 2213, 2831, 6639, 8493, 42047, 126141, 329737, 989211, 6265003, 18795009]

約数ペア:

[(1, 18795009), (3, 6265003), (19, 989211), (57, 329737), (149, 126141), (447, 42047), (2213, 8493), (2831, 6639)]