2019457769

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{489803}}^1$

素因数の和:489860

約数の個数: 16

約数和(自身を含む): 2507796480

約数和(自身を除く): 488338711

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 489803, 3428621, 9306257, 15183893, 65143799, 106287251, 288493967, 2019457769]

約数ペア:

[(1, 2019457769), (7, 288493967), (19, 106287251), (31, 65143799), (133, 15183893), (217, 9306257), (589, 3428621), (4123, 489803)]