19792031

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{5689}}^1$

素因数の和:5774

約数の個数: 12

約数和(自身を含む): 23351760

約数和(自身を除く): 3559729

約数列:

[1, 7, 49, 71, 497, 3479, 5689, 39823, 278761, 403919, 2827433, 19792031]

約数ペア:

[(1, 19792031), (7, 2827433), (49, 403919), (71, 278761), (497, 39823), (3479, 5689)]