19380944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110119}}^1$

素因数の和:110138

約数の個数: 20

約数和(自身を含む): 40964640

約数和(自身を除く): 21583696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110119, 220238, 440476, 880952, 1211309, 1761904, 2422618, 4845236, 9690472, 19380944]

約数ペア:

[(1, 19380944), (2, 9690472), (4, 4845236), (8, 2422618), (11, 1761904), (16, 1211309), (22, 880952), (44, 440476), (88, 220238), (176, 110119)]