18997578

素因数分解:

$2^1\times 3^4\times {\mathrm{117269}}^1$

素因数の和:117283

約数の個数: 20

約数和(自身を含む): 42569010

約数和(自身を除く): 23571432

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 117269, 234538, 351807, 703614, 1055421, 2110842, 3166263, 6332526, 9498789, 18997578]

約数ペア:

[(1, 18997578), (2, 9498789), (3, 6332526), (6, 3166263), (9, 2110842), (18, 1055421), (27, 703614), (54, 351807), (81, 234538), (162, 117269)]