19864070

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15641}}^1$

素因数の和:15775

約数の個数: 16

約数和(自身を含む): 36039168

約数和(自身を除く): 16175098

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15641, 31282, 78205, 156410, 1986407, 3972814, 9932035, 19864070]

約数ペア:

[(1, 19864070), (2, 9932035), (5, 3972814), (10, 1986407), (127, 156410), (254, 78205), (635, 31282), (1270, 15641)]