19161021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1867}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 27975168

約数和(自身を除く): 8814147

約数列:

[1, 3, 11, 33, 311, 933, 1867, 3421, 5601, 10263, 20537, 61611, 580637, 1741911, 6387007, 19161021]

約数ペア:

[(1, 19161021), (3, 6387007), (11, 1741911), (33, 580637), (311, 61611), (933, 20537), (1867, 10263), (3421, 5601)]