19793403

素因数分解:

$3^4\times 7^2\times {\mathrm{4987}}^1$

素因数の和:5013

約数の個数: 30

約数和(自身を含む): 34402236

約数和(自身を除く): 14608833

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4987, 14961, 34909, 44883, 104727, 134649, 244363, 314181, 403947, 733089, 942543, 2199267, 2827629, 6597801, 19793403]

約数ペア:

[(1, 19793403), (3, 6597801), (7, 2827629), (9, 2199267), (21, 942543), (27, 733089), (49, 403947), (63, 314181), (81, 244363), (147, 134649), (189, 104727), (441, 44883), (567, 34909), (1323, 14961), (3969, 4987)]