18349821

素因数分解:

$3^4\times 7^1\times {\mathrm{32363}}^1$

素因数の和:32382

約数の個数: 20

約数和(自身を含む): 31328352

約数和(自身を除く): 12978531

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32363, 97089, 226541, 291267, 679623, 873801, 2038869, 2621403, 6116607, 18349821]

約数ペア:

[(1, 18349821), (3, 6116607), (7, 2621403), (9, 2038869), (21, 873801), (27, 679623), (63, 291267), (81, 226541), (189, 97089), (567, 32363)]