19021359

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1559}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 10855761

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1559, 1743, 4067, 4677, 10913, 12201, 32739, 76391, 129397, 229173, 388191, 905779, 2717337, 6340453, 19021359]

約数ペア:

[(1, 19021359), (3, 6340453), (7, 2717337), (21, 905779), (49, 388191), (83, 229173), (147, 129397), (249, 76391), (581, 32739), (1559, 12201), (1743, 10913), (4067, 4677)]