2019891881

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{323131}}^1$

素因数の和:323204

約数の個数: 16

約数和(自身を含む): 2481653760

約数和(自身を除く): 461761879

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 323131, 2261917, 6139489, 15187157, 42976423, 106310099, 288555983, 2019891881]

約数ペア:

[(1, 2019891881), (7, 288555983), (19, 106310099), (47, 42976423), (133, 15187157), (329, 6139489), (893, 2261917), (6251, 323131)]