18786249

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{3931}}^1$

素因数の和:4002

約数の個数: 20

約数和(自身を含む): 28546320

約数和(自身を除く): 9760071

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 3931, 4779, 11793, 35379, 106137, 231929, 318411, 695787, 2087361, 6262083, 18786249]

約数ペア:

[(1, 18786249), (3, 6262083), (9, 2087361), (27, 695787), (59, 318411), (81, 231929), (177, 106137), (531, 35379), (1593, 11793), (3931, 4779)]