19138827

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1667}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 26421120

約数和(自身を除く): 7282293

約数列:

[1, 3, 43, 89, 129, 267, 1667, 3827, 5001, 11481, 71681, 148363, 215043, 445089, 6379609, 19138827]

約数ペア:

[(1, 19138827), (3, 6379609), (43, 445089), (89, 215043), (129, 148363), (267, 71681), (1667, 11481), (3827, 5001)]