19516772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443563}}^1$

素因数の和:443578

約数の個数: 12

約数和(自身を含む): 37259376

約数和(自身を除く): 17742604

約数列:

[1, 2, 4, 11, 22, 44, 443563, 887126, 1774252, 4879193, 9758386, 19516772]

約数ペア:

[(1, 19516772), (2, 9758386), (4, 4879193), (11, 1774252), (22, 887126), (44, 443563)]