19945527

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6833}}^1$

素因数の和:6982

約数の個数: 16

約数和(自身を含む): 30616320

約数和(自身を除く): 10670793

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6833, 20499, 47831, 143493, 949787, 2849361, 6648509, 19945527]

約数ペア:

[(1, 19945527), (3, 6648509), (7, 2849361), (21, 949787), (139, 143493), (417, 47831), (973, 20499), (2919, 6833)]