18477858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{439949}}^1$

素因数の和:439961

約数の個数: 16

約数和(自身を含む): 42235200

約数和(自身を除く): 23757342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 439949, 879898, 1319847, 2639694, 3079643, 6159286, 9238929, 18477858]

約数ペア:

[(1, 18477858), (2, 9238929), (3, 6159286), (6, 3079643), (7, 2639694), (14, 1319847), (21, 879898), (42, 439949)]