19213299

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1871}}^1$

素因数の和:2047

約数の個数: 24

約数和(自身を含む): 31928832

約数和(自身を除く): 12715533

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 1871, 3423, 5613, 10269, 13097, 16839, 39291, 117873, 304973, 914919, 2134811, 2744757, 6404433, 19213299]

約数ペア:

[(1, 19213299), (3, 6404433), (7, 2744757), (9, 2134811), (21, 914919), (63, 304973), (163, 117873), (489, 39291), (1141, 16839), (1467, 13097), (1871, 10269), (3423, 5613)]