19845749

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15161}}^1$

素因数の和:15196

約数の個数: 16

約数和(自身を含む): 26199936

約数和(自身を除く): 6354187

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15161, 106127, 166771, 257737, 1167397, 1804159, 2835107, 19845749]

約数ペア:

[(1, 19845749), (7, 2835107), (11, 1804159), (17, 1167397), (77, 257737), (119, 166771), (187, 106127), (1309, 15161)]