2019921673

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1380671}}^1$

素因数の和:1380708

約数の個数: 16

約数和(自身を含む): 2650890240

約数和(自身を除く): 630968567

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 1380671, 9664697, 15187381, 26232749, 106311667, 183629243, 288560239, 2019921673]

約数ペア:

[(1, 2019921673), (7, 288560239), (11, 183629243), (19, 106311667), (77, 26232749), (133, 15187381), (209, 9664697), (1463, 1380671)]