18547299

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{3881}}^1$

素因数の和:3952

約数の個数: 20

約数和(自身を含む): 28183320

約数和(自身を除く): 9636021

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 3881, 4779, 11643, 34929, 104787, 228979, 314361, 686937, 2060811, 6182433, 18547299]

約数ペア:

[(1, 18547299), (3, 6182433), (9, 2060811), (27, 686937), (59, 314361), (81, 228979), (177, 104787), (531, 34929), (1593, 11643), (3881, 4779)]