18189639

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{11959}}^1$

素因数の和:11991

約数の個数: 18

約数和(自身を含む): 28452840

約数和(自身を除く): 10263201

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 11959, 35877, 107631, 155467, 466401, 1399203, 2021071, 6063213, 18189639]

約数ペア:

[(1, 18189639), (3, 6063213), (9, 2021071), (13, 1399203), (39, 466401), (117, 155467), (169, 107631), (507, 35877), (1521, 11959)]