19917546

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{983}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 43642368

約数和(自身を除く): 23724822

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 983, 1842, 1966, 2949, 3377, 5898, 6754, 10131, 10813, 20262, 21626, 32439, 64878, 301781, 603562, 905343, 1810686, 3319591, 6639182, 9958773, 19917546]

約数ペア:

[(1, 19917546), (2, 9958773), (3, 6639182), (6, 3319591), (11, 1810686), (22, 905343), (33, 603562), (66, 301781), (307, 64878), (614, 32439), (921, 21626), (983, 20262), (1842, 10813), (1966, 10131), (2949, 6754), (3377, 5898)]