19901569

素因数分解:

${\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{1901}}^1$

素因数の和:1968

約数の個数: 12

約数和(自身を含む): 21739860

約数和(自身を除く): 1838291

約数列:

[1, 19, 29, 361, 551, 1901, 10469, 36119, 55129, 686261, 1047451, 19901569]

約数ペア:

[(1, 19901569), (19, 1047451), (29, 686261), (361, 55129), (551, 36119), (1901, 10469)]