19793389

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15121}}^1$

素因数の和:15156

約数の個数: 16

約数和(自身を含む): 26130816

約数和(自身を除く): 6337427

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15121, 105847, 166331, 257057, 1164317, 1799399, 2827627, 19793389]

約数ペア:

[(1, 19793389), (7, 2827627), (11, 1799399), (17, 1164317), (77, 257057), (119, 166331), (187, 105847), (1309, 15121)]