18437809

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4440

約数の個数: 16

約数和(自身を含む): 22135680

約数和(自身を除く): 3697871

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4391, 57083, 74647, 83429, 970411, 1084577, 1418293, 18437809]

約数ペア:

[(1, 18437809), (13, 1418293), (17, 1084577), (19, 970411), (221, 83429), (247, 74647), (323, 57083), (4199, 4391)]