19397147

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{22901}}^1$

素因数の和:22930

約数の個数: 12

約数和(自身を含む): 24367728

約数和(自身を除く): 4970581

約数列:

[1, 7, 11, 77, 121, 847, 22901, 160307, 251911, 1763377, 2771021, 19397147]

約数ペア:

[(1, 19397147), (7, 2771021), (11, 1763377), (77, 251911), (121, 160307), (847, 22901)]