19845133

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2657}}^1$

素因数の和:2772

約数の個数: 16

約数和(自身を含む): 25006464

約数和(自身を除く): 5161331

約数列:

[1, 7, 11, 77, 97, 679, 1067, 2657, 7469, 18599, 29227, 204589, 257729, 1804103, 2835019, 19845133]

約数ペア:

[(1, 19845133), (7, 2835019), (11, 1804103), (77, 257729), (97, 204589), (679, 29227), (1067, 18599), (2657, 7469)]