17999870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257141}}^1$

素因数の和:257155

約数の個数: 16

約数和(自身を含む): 37028448

約数和(自身を除く): 19028578

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257141, 514282, 1285705, 1799987, 2571410, 3599974, 8999935, 17999870]

約数ペア:

[(1, 17999870), (2, 8999935), (5, 3599974), (7, 2571410), (10, 1799987), (14, 1285705), (35, 514282), (70, 257141)]