19534160

素因数分解:

$2^4\times 5^1\times {\mathrm{244177}}^1$

素因数の和:244190

約数の個数: 20

約数和(自身を含む): 45417108

約数和(自身を除く): 25882948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 244177, 488354, 976708, 1220885, 1953416, 2441770, 3906832, 4883540, 9767080, 19534160]

約数ペア:

[(1, 19534160), (2, 9767080), (4, 4883540), (5, 3906832), (8, 2441770), (10, 1953416), (16, 1220885), (20, 976708), (40, 488354), (80, 244177)]