18531887

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 21619872

約数和(自身を除く): 3087985

約数列:

[1, 11, 17, 113, 187, 877, 1243, 1921, 9647, 14909, 21131, 99101, 163999, 1090111, 1684717, 18531887]

約数ペア:

[(1, 18531887), (11, 1684717), (17, 1090111), (113, 163999), (187, 99101), (877, 21131), (1243, 14909), (1921, 9647)]