12661904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41651}}^1$

素因数の和:41678

約数の個数: 20

約数和(自身を含む): 25824240

約数和(自身を除く): 13162336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 41651, 83302, 166604, 333208, 666416, 791369, 1582738, 3165476, 6330952, 12661904]

約数ペア:

[(1, 12661904), (2, 6330952), (4, 3165476), (8, 1582738), (16, 791369), (19, 666416), (38, 333208), (76, 166604), (152, 83302), (304, 41651)]