19973820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{719}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 36151620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 463, 719, 926, 1389, 1438, 1852, 2157, 2315, 2778, 2876, 3595, 4314, 4630, 5556, 6945, 7190, 8628, 9260, 10785, 13890, 14380, 21570, 27780, 43140, 332897, 665794, 998691, 1331588, 1664485, 1997382, 3328970, 3994764, 4993455, 6657940, 9986910, 19973820]

約数ペア:

[(1, 19973820), (2, 9986910), (3, 6657940), (4, 4993455), (5, 3994764), (6, 3328970), (10, 1997382), (12, 1664485), (15, 1331588), (20, 998691), (30, 665794), (60, 332897), (463, 43140), (719, 27780), (926, 21570), (1389, 14380), (1438, 13890), (1852, 10785), (2157, 9260), (2315, 8628), (2778, 7190), (2876, 6945), (3595, 5556), (4314, 4630)]