19992842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1949}}^1$

素因数の和:2197

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 11456758

約数列:

[1, 2, 23, 46, 223, 446, 1949, 3898, 5129, 10258, 44827, 89654, 434627, 869254, 9996421, 19992842]

約数ペア:

[(1, 19992842), (2, 9996421), (23, 869254), (46, 434627), (223, 89654), (446, 44827), (1949, 10258), (3898, 5129)]