18156619166

素因数分解:

$2^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{920441}}^1$

素因数の和:921859

約数の個数: 16

約数和(自身を含む): 31147757280

約数和(自身を除く): 12991138114

約数列:

[1, 2, 7, 14, 1409, 2818, 9863, 19726, 920441, 1840882, 6443087, 12886174, 1296901369, 2593802738, 9078309583, 18156619166]

約数ペア:

[(1, 18156619166), (2, 9078309583), (7, 2593802738), (14, 1296901369), (1409, 12886174), (2818, 6443087), (9863, 1840882), (19726, 920441)]