1987578

素因数分解:

$2^1\times 3^4\times {\mathrm{12269}}^1$

素因数の和:12283

約数の個数: 20

約数和(自身を含む): 4454010

約数和(自身を除く): 2466432

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 12269, 24538, 36807, 73614, 110421, 220842, 331263, 662526, 993789, 1987578]

約数ペア:

[(1, 1987578), (2, 993789), (3, 662526), (6, 331263), (9, 220842), (18, 110421), (27, 73614), (54, 36807), (81, 24538), (162, 12269)]