19919301

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 27225024

約数和(自身を除く): 7305723

約数列:

[1, 3, 67, 113, 201, 339, 877, 2631, 7571, 22713, 58759, 99101, 176277, 297303, 6639767, 19919301]

約数ペア:

[(1, 19919301), (3, 6639767), (67, 297303), (113, 176277), (201, 99101), (339, 58759), (877, 22713), (2631, 7571)]