19660039

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 23063040

約数和(自身を除く): 3403001

約数列:

[1, 7, 59, 181, 263, 413, 1267, 1841, 10679, 15517, 47603, 74753, 108619, 333221, 2808577, 19660039]

約数ペア:

[(1, 19660039), (7, 2808577), (59, 333221), (181, 108619), (263, 74753), (413, 47603), (1267, 15517), (1841, 10679)]