19868563

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 24935904

約数和(自身を除く): 5067341

約数列:

[1, 11, 13, 17, 121, 143, 187, 221, 743, 1573, 2057, 2431, 8173, 9659, 12631, 26741, 89903, 106249, 138941, 164203, 1168739, 1528351, 1806233, 19868563]

約数ペア:

[(1, 19868563), (11, 1806233), (13, 1528351), (17, 1168739), (121, 164203), (143, 138941), (187, 106249), (221, 89903), (743, 26741), (1573, 12631), (2057, 9659), (2431, 8173)]