18532780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18911}}^1$

素因数の和:18934

約数の個数: 36

約数和(自身を含む): 45275328

約数和(自身を除く): 26742548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18911, 37822, 75644, 94555, 132377, 189110, 264754, 378220, 529508, 661885, 926639, 1323770, 1853278, 2647540, 3706556, 4633195, 9266390, 18532780]

約数ペア:

[(1, 18532780), (2, 9266390), (4, 4633195), (5, 3706556), (7, 2647540), (10, 1853278), (14, 1323770), (20, 926639), (28, 661885), (35, 529508), (49, 378220), (70, 264754), (98, 189110), (140, 132377), (196, 94555), (245, 75644), (490, 37822), (980, 18911)]