12405616

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{18911}}^1$

素因数の和:18960

約数の個数: 20

約数和(自身を含む): 24623424

約数和(自身を除く): 12217808

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 18911, 37822, 75644, 151288, 302576, 775351, 1550702, 3101404, 6202808, 12405616]

約数ペア:

[(1, 12405616), (2, 6202808), (4, 3101404), (8, 1550702), (16, 775351), (41, 302576), (82, 151288), (164, 75644), (328, 37822), (656, 18911)]