19522525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{70991}}^1$

素因数の和:71012

約数の個数: 12

約数和(自身を含む): 26409024

約数和(自身を除く): 6886499

約数列:

[1, 5, 11, 25, 55, 275, 70991, 354955, 780901, 1774775, 3904505, 19522525]

約数ペア:

[(1, 19522525), (5, 3904505), (11, 1774775), (25, 780901), (55, 354955), (275, 70991)]