18098780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129277}}^1$

素因数の和:129293

約数の個数: 24

約数和(自身を含む): 43437408

約数和(自身を除く): 25338628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129277, 258554, 517108, 646385, 904939, 1292770, 1809878, 2585540, 3619756, 4524695, 9049390, 18098780]

約数ペア:

[(1, 18098780), (2, 9049390), (4, 4524695), (5, 3619756), (7, 2585540), (10, 1809878), (14, 1292770), (20, 904939), (28, 646385), (35, 517108), (70, 258554), (140, 129277)]