19438683

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9978789

約数列:

[1, 3, 11, 33, 47, 83, 141, 151, 249, 453, 517, 913, 1551, 1661, 2739, 3901, 4983, 7097, 11703, 12533, 21291, 37599, 42911, 78067, 128733, 137863, 234201, 413589, 589051, 1767153, 6479561, 19438683]

約数ペア:

[(1, 19438683), (3, 6479561), (11, 1767153), (33, 589051), (47, 413589), (83, 234201), (141, 137863), (151, 128733), (249, 78067), (453, 42911), (517, 37599), (913, 21291), (1551, 12533), (1661, 11703), (2739, 7097), (3901, 4983)]