18768943

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 20295360

約数和(自身を除く): 1526417

約数列:

[1, 23, 53, 89, 173, 1219, 2047, 3979, 4717, 9169, 15397, 108491, 210887, 354131, 816041, 18768943]

約数ペア:

[(1, 18768943), (23, 816041), (53, 354131), (89, 210887), (173, 108491), (1219, 15397), (2047, 9169), (3979, 4717)]