19920656

素因数分解:

$2^4\times 7^2\times {\mathrm{25409}}^1$

素因数の和:25431

約数の個数: 30

約数和(自身を含む): 44899470

約数和(自身を除く): 24978814

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25409, 50818, 101636, 177863, 203272, 355726, 406544, 711452, 1245041, 1422904, 2490082, 2845808, 4980164, 9960328, 19920656]

約数ペア:

[(1, 19920656), (2, 9960328), (4, 4980164), (7, 2845808), (8, 2490082), (14, 1422904), (16, 1245041), (28, 711452), (49, 406544), (56, 355726), (98, 203272), (112, 177863), (196, 101636), (392, 50818), (784, 25409)]