18289191

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4789}}^1$

素因数の和:4878

約数の個数: 16

約数和(自身を含む): 26057600

約数和(自身を除く): 7768409

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 4789, 14367, 90991, 272973, 320863, 962589, 6096397, 18289191]

約数ペア:

[(1, 18289191), (3, 6096397), (19, 962589), (57, 320863), (67, 272973), (201, 90991), (1273, 14367), (3819, 4789)]