12897302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18911}}^1$

素因数の和:18955

約数の個数: 16

約数和(自身を含む): 21786624

約数和(自身を除く): 8889322

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 18911, 37822, 208021, 416042, 586241, 1172482, 6448651, 12897302]

約数ペア:

[(1, 12897302), (2, 6448651), (11, 1172482), (22, 586241), (31, 416042), (62, 208021), (341, 37822), (682, 18911)]