18220143

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 24797696

約数和(自身を除く): 6577553

約数列:

[1, 3, 73, 219, 271, 307, 813, 921, 19783, 22411, 59349, 67233, 83197, 249591, 6073381, 18220143]

約数ペア:

[(1, 18220143), (3, 6073381), (73, 249591), (219, 83197), (271, 67233), (307, 59349), (813, 22411), (921, 19783)]