19178110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39139}}^1$

素因数の和:39160

約数の個数: 24

約数和(自身を含む): 40157640

約数和(自身を除く): 20979530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39139, 78278, 195695, 273973, 391390, 547946, 1369865, 1917811, 2739730, 3835622, 9589055, 19178110]

約数ペア:

[(1, 19178110), (2, 9589055), (5, 3835622), (7, 2739730), (10, 1917811), (14, 1369865), (35, 547946), (49, 391390), (70, 273973), (98, 195695), (245, 78278), (490, 39139)]