19122985

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 27024840

約数和(自身を除く): 7901855

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 877, 3115, 4361, 4385, 6139, 21805, 30695, 42973, 78053, 214865, 390265, 546371, 2731855, 3824597, 19122985]

約数ペア:

[(1, 19122985), (5, 3824597), (7, 2731855), (35, 546371), (49, 390265), (89, 214865), (245, 78053), (445, 42973), (623, 30695), (877, 21805), (3115, 6139), (4361, 4385)]