19516244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443551}}^1$

素因数の和:443566

約数の個数: 12

約数和(自身を含む): 37258368

約数和(自身を除く): 17742124

約数列:

[1, 2, 4, 11, 22, 44, 443551, 887102, 1774204, 4879061, 9758122, 19516244]

約数ペア:

[(1, 19516244), (2, 9758122), (4, 4879061), (11, 1774204), (22, 887102), (44, 443551)]