11919655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7038

約数の個数: 16

約数和(自身を含む): 16109568

約数和(自身を除く): 4189913

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 6991, 34955, 76901, 216721, 384505, 1083605, 2383931, 11919655]

約数ペア:

[(1, 11919655), (5, 2383931), (11, 1083605), (31, 384505), (55, 216721), (155, 76901), (341, 34955), (1705, 6991)]