19409516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30139}}^1$

素因数の和:30173

約数の個数: 24

約数和(自身を含む): 40508160

約数和(自身を除く): 21098644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 30139, 60278, 120556, 210973, 421946, 693197, 843892, 1386394, 2772788, 4852379, 9704758, 19409516]

約数ペア:

[(1, 19409516), (2, 9704758), (4, 4852379), (7, 2772788), (14, 1386394), (23, 843892), (28, 693197), (46, 421946), (92, 210973), (161, 120556), (322, 60278), (644, 30139)]