19803111

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 27920640

約数和(自身を除く): 8117529

約数列:

[1, 3, 19, 57, 263, 789, 1321, 3963, 4997, 14991, 25099, 75297, 347423, 1042269, 6601037, 19803111]

約数ペア:

[(1, 19803111), (3, 6601037), (19, 1042269), (57, 347423), (263, 75297), (789, 25099), (1321, 14991), (3963, 4997)]