19756828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54277}}^1$

素因数の和:54301

約数の個数: 24

約数和(自身を含む): 42553952

約数和(自身を除く): 22797124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54277, 108554, 217108, 379939, 705601, 759878, 1411202, 1519756, 2822404, 4939207, 9878414, 19756828]

約数ペア:

[(1, 19756828), (2, 9878414), (4, 4939207), (7, 2822404), (13, 1519756), (14, 1411202), (26, 759878), (28, 705601), (52, 379939), (91, 217108), (182, 108554), (364, 54277)]