19550565

素因数分解:

$3^5\times 5^1\times {\mathrm{16091}}^1$

素因数の和:16111

約数の個数: 24

約数和(自身を含む): 35144928

約数和(自身を除く): 15594363

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16091, 48273, 80455, 144819, 241365, 434457, 724095, 1303371, 2172285, 3910113, 6516855, 19550565]

約数ペア:

[(1, 19550565), (3, 6516855), (5, 3910113), (9, 2172285), (15, 1303371), (27, 724095), (45, 434457), (81, 241365), (135, 144819), (243, 80455), (405, 48273), (1215, 16091)]