18669693

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1321}}^1$

素因数の和:2004

約数の個数: 16

約数和(自身を含む): 28512896

約数和(自身を除く): 9843203

約数列:

[1, 3, 7, 21, 673, 1321, 2019, 3963, 4711, 9247, 14133, 27741, 889033, 2667099, 6223231, 18669693]

約数ペア:

[(1, 18669693), (3, 6223231), (7, 2667099), (21, 889033), (673, 27741), (1321, 14133), (2019, 9247), (3963, 4711)]