12720227508

素因数分解:

$2^2\times 3^2\times {\mathrm{353339653}}^1$

素因数の和:353339663

約数の個数: 18

約数和(自身を含む): 32153908514

約数和(自身を除く): 19433681006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 353339653, 706679306, 1060018959, 1413358612, 2120037918, 3180056877, 4240075836, 6360113754, 12720227508]

約数ペア:

[(1, 12720227508), (2, 6360113754), (3, 4240075836), (4, 3180056877), (6, 2120037918), (9, 1413358612), (12, 1060018959), (18, 706679306), (36, 353339653)]