19997054

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 37843200

約数和(自身を除く): 17846146

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1459, 1958, 2918, 6853, 10213, 13706, 16049, 20426, 32098, 112343, 129851, 224686, 259702, 908957, 1428361, 1817914, 2856722, 9998527, 19997054]

約数ペア:

[(1, 19997054), (2, 9998527), (7, 2856722), (11, 1817914), (14, 1428361), (22, 908957), (77, 259702), (89, 224686), (154, 129851), (178, 112343), (623, 32098), (979, 20426), (1246, 16049), (1459, 13706), (1958, 10213), (2918, 6853)]