18318223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 24140160

約数和(自身を除く): 5821937

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 659, 1463, 2527, 3971, 4613, 7249, 12521, 27797, 50743, 87647, 137731, 237899, 964117, 1665293, 2616889, 18318223]

約数ペア:

[(1, 18318223), (7, 2616889), (11, 1665293), (19, 964117), (77, 237899), (133, 137731), (209, 87647), (361, 50743), (659, 27797), (1463, 12521), (2527, 7249), (3971, 4613)]