19697450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7433}}^1$

素因数の和:7498

約数の個数: 24

約数和(自身を含む): 37333548

約数和(自身を除く): 17636098

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7433, 14866, 37165, 74330, 185825, 371650, 393949, 787898, 1969745, 3939490, 9848725, 19697450]

約数ペア:

[(1, 19697450), (2, 9848725), (5, 3939490), (10, 1969745), (25, 787898), (50, 393949), (53, 371650), (106, 185825), (265, 74330), (530, 37165), (1325, 14866), (2650, 7433)]