19438620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2690

約数の個数: 48

約数和(自身を含む): 54878208

約数和(自身を除く): 35439588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2551, 3810, 5102, 7620, 7653, 10204, 12755, 15306, 25510, 30612, 38265, 51020, 76530, 153060, 323977, 647954, 971931, 1295908, 1619885, 1943862, 3239770, 3887724, 4859655, 6479540, 9719310, 19438620]

約数ペア:

[(1, 19438620), (2, 9719310), (3, 6479540), (4, 4859655), (5, 3887724), (6, 3239770), (10, 1943862), (12, 1619885), (15, 1295908), (20, 971931), (30, 647954), (60, 323977), (127, 153060), (254, 76530), (381, 51020), (508, 38265), (635, 30612), (762, 25510), (1270, 15306), (1524, 12755), (1905, 10204), (2540, 7653), (2551, 7620), (3810, 5102)]