19286220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2531}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 54448128

約数和(自身を除く): 35161908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2531, 2540, 3810, 5062, 7593, 7620, 10124, 12655, 15186, 25310, 30372, 37965, 50620, 75930, 151860, 321437, 642874, 964311, 1285748, 1607185, 1928622, 3214370, 3857244, 4821555, 6428740, 9643110, 19286220]

約数ペア:

[(1, 19286220), (2, 9643110), (3, 6428740), (4, 4821555), (5, 3857244), (6, 3214370), (10, 1928622), (12, 1607185), (15, 1285748), (20, 964311), (30, 642874), (60, 321437), (127, 151860), (254, 75930), (381, 50620), (508, 37965), (635, 30372), (762, 25310), (1270, 15186), (1524, 12655), (1905, 10124), (2531, 7620), (2540, 7593), (3810, 5062)]