12910736

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19681}}^1$

素因数の和:19730

約数の個数: 20

約数和(自身を含む): 25625964

約数和(自身を除く): 12715228

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19681, 39362, 78724, 157448, 314896, 806921, 1613842, 3227684, 6455368, 12910736]

約数ペア:

[(1, 12910736), (2, 6455368), (4, 3227684), (8, 1613842), (16, 806921), (41, 314896), (82, 157448), (164, 78724), (328, 39362), (656, 19681)]