18887737

素因数分解:

${\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1284

約数の個数: 12

約数和(自身を含む): 20928880

約数和(自身を除く): 2041143

約数列:

[1, 11, 121, 139, 1123, 1529, 12353, 16819, 135883, 156097, 1717067, 18887737]

約数ペア:

[(1, 18887737), (11, 1717067), (121, 156097), (139, 135883), (1123, 16819), (1529, 12353)]