18990529439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6938447}}^1$

素因数の和:6938494

約数の個数: 16

約数和(自身を含む): 23979276288

約数和(自身を除く): 4988746849

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 6938447, 48569129, 117953599, 159584281, 825675193, 1117089967, 2712932777, 18990529439]

約数ペア:

[(1, 18990529439), (7, 2712932777), (17, 1117089967), (23, 825675193), (119, 159584281), (161, 117953599), (391, 48569129), (2737, 6938447)]