19905588

素因数分解:

$2^2\times 3^5\times {\mathrm{20479}}^1$

素因数の和:20498

約数の個数: 36

約数和(自身を含む): 52183040

約数和(自身を除く): 32277452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20479, 40958, 61437, 81916, 122874, 184311, 245748, 368622, 552933, 737244, 1105866, 1658799, 2211732, 3317598, 4976397, 6635196, 9952794, 19905588]

約数ペア:

[(1, 19905588), (2, 9952794), (3, 6635196), (4, 4976397), (6, 3317598), (9, 2211732), (12, 1658799), (18, 1105866), (27, 737244), (36, 552933), (54, 368622), (81, 245748), (108, 184311), (162, 122874), (243, 81916), (324, 61437), (486, 40958), (972, 20479)]