19428201

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55351}}^1$

素因数の和:55373

約数の個数: 16

約数和(自身を含む): 30997120

約数和(自身を除く): 11568919

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55351, 166053, 498159, 719563, 1494477, 2158689, 6476067, 19428201]

約数ペア:

[(1, 19428201), (3, 6476067), (9, 2158689), (13, 1494477), (27, 719563), (39, 498159), (117, 166053), (351, 55351)]