18790660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134219}}^1$

素因数の和:134235

約数の個数: 24

約数和(自身を含む): 45097920

約数和(自身を除く): 26307260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134219, 268438, 536876, 671095, 939533, 1342190, 1879066, 2684380, 3758132, 4697665, 9395330, 18790660]

約数ペア:

[(1, 18790660), (2, 9395330), (4, 4697665), (5, 3758132), (7, 2684380), (10, 1879066), (14, 1342190), (20, 939533), (28, 671095), (35, 536876), (70, 268438), (140, 134219)]