19772249

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 23789568

約数和(自身を除く): 4017319

約数列:

[1, 7, 23, 127, 161, 889, 967, 2921, 6769, 20447, 22241, 122809, 155687, 859663, 2824607, 19772249]

約数ペア:

[(1, 19772249), (7, 2824607), (23, 859663), (127, 155687), (161, 122809), (889, 22241), (967, 20447), (2921, 6769)]