18447639

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6917}}^1$

素因数の和:7054

約数の個数: 16

約数和(自身を含む): 28336128

約数和(自身を除く): 9888489

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 6917, 20751, 48419, 145257, 878459, 2635377, 6149213, 18447639]

約数ペア:

[(1, 18447639), (3, 6149213), (7, 2635377), (21, 878459), (127, 145257), (381, 48419), (889, 20751), (2667, 6917)]