17986906

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6089}}^1$

素因数の和:6309

約数の個数: 16

約数和(自身を含む): 30985920

約数和(自身を除く): 12999014

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6089, 12178, 42623, 85246, 1284779, 2569558, 8993453, 17986906]

約数ペア:

[(1, 17986906), (2, 8993453), (7, 2569558), (14, 1284779), (211, 85246), (422, 42623), (1477, 12178), (2954, 6089)]