19051280

素因数分解:

$2^4\times 5^1\times {\mathrm{238141}}^1$

素因数の和:238154

約数の個数: 20

約数和(自身を含む): 44294412

約数和(自身を除く): 25243132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238141, 476282, 952564, 1190705, 1905128, 2381410, 3810256, 4762820, 9525640, 19051280]

約数ペア:

[(1, 19051280), (2, 9525640), (4, 4762820), (5, 3810256), (8, 2381410), (10, 1905128), (16, 1190705), (20, 952564), (40, 476282), (80, 238141)]