18787989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6397}}^1$

素因数の和:6500

約数の個数: 16

約数和(自身を含む): 27639360

約数和(自身を除く): 8851371

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6397, 19191, 70367, 211101, 569333, 1707999, 6262663, 18787989]

約数ペア:

[(1, 18787989), (3, 6262663), (11, 1707999), (33, 569333), (89, 211101), (267, 70367), (979, 19191), (2937, 6397)]