12861328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42307}}^1$

素因数の和:42334

約数の個数: 20

約数和(自身を含む): 26230960

約数和(自身を除く): 13369632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42307, 84614, 169228, 338456, 676912, 803833, 1607666, 3215332, 6430664, 12861328]

約数ペア:

[(1, 12861328), (2, 6430664), (4, 3215332), (8, 1607666), (16, 803833), (19, 676912), (38, 338456), (76, 169228), (152, 84614), (304, 42307)]