19889597

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1721}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 24686592

約数和(自身を除く): 4796995

約数列:

[1, 7, 13, 91, 127, 889, 1651, 1721, 11557, 12047, 22373, 156611, 218567, 1529969, 2841371, 19889597]

約数ペア:

[(1, 19889597), (7, 2841371), (13, 1529969), (91, 218567), (127, 156611), (889, 22373), (1651, 12047), (1721, 11557)]