19390293

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55243}}^1$

素因数の和:55265

約数の個数: 16

約数和(自身を含む): 30936640

約数和(自身を除く): 11546347

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55243, 165729, 497187, 718159, 1491561, 2154477, 6463431, 19390293]

約数ペア:

[(1, 19390293), (3, 6463431), (9, 2154477), (13, 1491561), (27, 718159), (39, 497187), (117, 165729), (351, 55243)]