12781946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9091}}^1$

素因数の和:9149

約数の個数: 16

約数和(自身を含む): 20729760

約数和(自身を除く): 7947814

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 9091, 18182, 172729, 336367, 345458, 672734, 6390973, 12781946]

約数ペア:

[(1, 12781946), (2, 6390973), (19, 672734), (37, 345458), (38, 336367), (74, 172729), (703, 18182), (1406, 9091)]