19414521

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{883}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 32177600

約数和(自身を除く): 12763079

約数列:

[1, 3, 7, 9, 21, 63, 349, 883, 1047, 2443, 2649, 3141, 6181, 7329, 7947, 18543, 21987, 55629, 308167, 924501, 2157169, 2773503, 6471507, 19414521]

約数ペア:

[(1, 19414521), (3, 6471507), (7, 2773503), (9, 2157169), (21, 924501), (63, 308167), (349, 55629), (883, 21987), (1047, 18543), (2443, 7947), (2649, 7329), (3141, 6181)]