19961270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285161}}^1$

素因数の和:285175

約数の個数: 16

約数和(自身を含む): 41063328

約数和(自身を除く): 21102058

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285161, 570322, 1425805, 1996127, 2851610, 3992254, 9980635, 19961270]

約数ペア:

[(1, 19961270), (2, 9980635), (5, 3992254), (7, 2851610), (10, 1996127), (14, 1425805), (35, 570322), (70, 285161)]