18523140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2221}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 52261440

約数和(自身を除く): 33738300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2221, 2780, 4170, 4442, 6663, 8340, 8884, 11105, 13326, 22210, 26652, 33315, 44420, 66630, 133260, 308719, 617438, 926157, 1234876, 1543595, 1852314, 3087190, 3704628, 4630785, 6174380, 9261570, 18523140]

約数ペア:

[(1, 18523140), (2, 9261570), (3, 6174380), (4, 4630785), (5, 3704628), (6, 3087190), (10, 1852314), (12, 1543595), (15, 1234876), (20, 926157), (30, 617438), (60, 308719), (139, 133260), (278, 66630), (417, 44420), (556, 33315), (695, 26652), (834, 22210), (1390, 13326), (1668, 11105), (2085, 8884), (2221, 8340), (2780, 6663), (4170, 4442)]