19404460

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2879}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 21480020

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2879, 3370, 5758, 6740, 11516, 14395, 28790, 57580, 970223, 1940446, 3880892, 4851115, 9702230, 19404460]

約数ペア:

[(1, 19404460), (2, 9702230), (4, 4851115), (5, 3880892), (10, 1940446), (20, 970223), (337, 57580), (674, 28790), (1348, 14395), (1685, 11516), (2879, 6740), (3370, 5758)]