19028080

素因数分解:

$2^4\times 5^1\times {\mathrm{237851}}^1$

素因数の和:237864

約数の個数: 20

約数和(自身を含む): 44240472

約数和(自身を除く): 25212392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237851, 475702, 951404, 1189255, 1902808, 2378510, 3805616, 4757020, 9514040, 19028080]

約数ペア:

[(1, 19028080), (2, 9514040), (4, 4757020), (5, 3805616), (8, 2378510), (10, 1902808), (16, 1189255), (20, 951404), (40, 475702), (80, 237851)]