19505863

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 22196160

約数和(自身を除く): 2690297

約数列:

[1, 13, 23, 89, 299, 733, 1157, 2047, 9529, 16859, 26611, 65237, 219167, 848081, 1500451, 19505863]

約数ペア:

[(1, 19505863), (13, 1500451), (23, 848081), (89, 219167), (299, 65237), (733, 26611), (1157, 16859), (2047, 9529)]