18804907865

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{1811}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 23145357312

約数和(自身を除く): 4340449447

約数列:

[1, 5, 83, 131, 191, 415, 655, 955, 1811, 9055, 10873, 15853, 25021, 54365, 79265, 125105, 150313, 237241, 345901, 751565, 1186205, 1729505, 2076743, 10383715, 19691003, 28709783, 45313031, 98455015, 143548915, 226565155, 3760981573, 18804907865]

約数ペア:

[(1, 18804907865), (5, 3760981573), (83, 226565155), (131, 143548915), (191, 98455015), (415, 45313031), (655, 28709783), (955, 19691003), (1811, 10383715), (9055, 2076743), (10873, 1729505), (15853, 1186205), (25021, 751565), (54365, 345901), (79265, 237241), (125105, 150313)]