19040080

素因数分解:

$2^4\times 5^1\times {\mathrm{238001}}^1$

素因数の和:238014

約数の個数: 20

約数和(自身を含む): 44268372

約数和(自身を除く): 25228292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238001, 476002, 952004, 1190005, 1904008, 2380010, 3808016, 4760020, 9520040, 19040080]

約数ペア:

[(1, 19040080), (2, 9520040), (4, 4760020), (5, 3808016), (8, 2380010), (10, 1904008), (16, 1190005), (20, 952004), (40, 476002), (80, 238001)]