2019011440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1328297}}^1$

素因数の和:1328329

約数の個数: 40

約数和(自身を含む): 4941268560

約数和(自身を除く): 2922257120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1328297, 2656594, 5313188, 6641485, 10626376, 13282970, 21252752, 25237643, 26565940, 50475286, 53131880, 100950572, 106263760, 126188215, 201901144, 252376430, 403802288, 504752860, 1009505720, 2019011440]

約数ペア:

[(1, 2019011440), (2, 1009505720), (4, 504752860), (5, 403802288), (8, 252376430), (10, 201901144), (16, 126188215), (19, 106263760), (20, 100950572), (38, 53131880), (40, 50475286), (76, 26565940), (80, 25237643), (95, 21252752), (152, 13282970), (190, 10626376), (304, 6641485), (380, 5313188), (760, 2656594), (1520, 1328297)]