19626820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42667}}^1$

素因数の和:42699

約数の個数: 24

約数和(自身を含む): 43009344

約数和(自身を除く): 23382524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42667, 85334, 170668, 213335, 426670, 853340, 981341, 1962682, 3925364, 4906705, 9813410, 19626820]

約数ペア:

[(1, 19626820), (2, 9813410), (4, 4906705), (5, 3925364), (10, 1962682), (20, 981341), (23, 853340), (46, 426670), (92, 213335), (115, 170668), (230, 85334), (460, 42667)]