18668860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133349}}^1$

素因数の和:133365

約数の個数: 24

約数和(自身を含む): 44805600

約数和(自身を除く): 26136740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133349, 266698, 533396, 666745, 933443, 1333490, 1866886, 2666980, 3733772, 4667215, 9334430, 18668860]

約数ペア:

[(1, 18668860), (2, 9334430), (4, 4667215), (5, 3733772), (7, 2666980), (10, 1866886), (14, 1333490), (20, 933443), (28, 666745), (35, 533396), (70, 266698), (140, 133349)]