17727890

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4231}}^1$

素因数の和:4657

約数の個数: 16

約数和(自身を含む): 31993920

約数和(自身を除く): 14266030

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4231, 8462, 21155, 42310, 1772789, 3545578, 8863945, 17727890]

約数ペア:

[(1, 17727890), (2, 8863945), (5, 3545578), (10, 1772789), (419, 42310), (838, 21155), (2095, 8462), (4190, 4231)]