19386243

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{7109}}^1$

素因数の和:7219

約数の個数: 16

約数和(自身を含む): 29008800

約数和(自身を除く): 9622557

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 7109, 21327, 63981, 191943, 718009, 2154027, 6462081, 19386243]

約数ペア:

[(1, 19386243), (3, 6462081), (9, 2154027), (27, 718009), (101, 191943), (303, 63981), (909, 21327), (2727, 7109)]