19422963

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 34227360

約数和(自身を除く): 14804397

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 277, 371, 441, 477, 831, 1113, 1323, 1431, 1939, 2493, 2597, 3339, 5817, 7479, 7791, 10017, 13573, 14681, 17451, 23373, 40719, 44043, 52353, 70119, 102767, 122157, 132129, 308301, 366471, 396387, 719369, 924903, 2158107, 2774709, 6474321, 19422963]

約数ペア:

[(1, 19422963), (3, 6474321), (7, 2774709), (9, 2158107), (21, 924903), (27, 719369), (49, 396387), (53, 366471), (63, 308301), (147, 132129), (159, 122157), (189, 102767), (277, 70119), (371, 52353), (441, 44043), (477, 40719), (831, 23373), (1113, 17451), (1323, 14681), (1431, 13573), (1939, 10017), (2493, 7791), (2597, 7479), (3339, 5817)]