18912923

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 21012480

約数和(自身を除く): 2099557

約数列:

[1, 19, 23, 113, 383, 437, 2147, 2599, 7277, 8809, 43279, 49381, 167371, 822301, 995417, 18912923]

約数ペア:

[(1, 18912923), (19, 995417), (23, 822301), (113, 167371), (383, 49381), (437, 43279), (2147, 8809), (2599, 7277)]