17990660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19139}}^1$

素因数の和:19195

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 20595580

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19139, 38278, 76556, 95695, 191390, 382780, 899533, 1799066, 3598132, 4497665, 8995330, 17990660]

約数ペア:

[(1, 17990660), (2, 8995330), (4, 4497665), (5, 3598132), (10, 1799066), (20, 899533), (47, 382780), (94, 191390), (188, 95695), (235, 76556), (470, 38278), (940, 19139)]