18485577

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20747}}^1$

素因数の和:20770

約数の個数: 20

約数和(自身を含む): 30126096

約数和(自身を除く): 11640519

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20747, 62241, 186723, 228217, 560169, 684651, 1680507, 2053953, 6161859, 18485577]

約数ペア:

[(1, 18485577), (3, 6161859), (9, 2053953), (11, 1680507), (27, 684651), (33, 560169), (81, 228217), (99, 186723), (297, 62241), (891, 20747)]