19864394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4049}}^1$

素因数の和:4285

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12794806

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4049, 4906, 8098, 44539, 89078, 902927, 1805854, 9932197, 19864394]

約数ペア:

[(1, 19864394), (2, 9932197), (11, 1805854), (22, 902927), (223, 89078), (446, 44539), (2453, 8098), (4049, 4906)]