18779966

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 28751760

約数和(自身を除く): 9971794

約数列:

[1, 2, 67, 134, 269, 521, 538, 1042, 18023, 34907, 36046, 69814, 140149, 280298, 9389983, 18779966]

約数ペア:

[(1, 18779966), (2, 9389983), (67, 280298), (134, 140149), (269, 69814), (521, 36046), (538, 34907), (1042, 18023)]