18784486

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6359}}^1$

素因数の和:6579

約数の個数: 16

約数和(自身を含む): 32359680

約数和(自身を除く): 13575194

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6359, 12718, 44513, 89026, 1341749, 2683498, 9392243, 18784486]

約数ペア:

[(1, 18784486), (2, 9392243), (7, 2683498), (14, 1341749), (211, 89026), (422, 44513), (1477, 12718), (2954, 6359)]