19813244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450301}}^1$

素因数の和:450316

約数の個数: 12

約数和(自身を含む): 37825368

約数和(自身を除く): 18012124

約数列:

[1, 2, 4, 11, 22, 44, 450301, 900602, 1801204, 4953311, 9906622, 19813244]

約数ペア:

[(1, 19813244), (2, 9906622), (4, 4953311), (11, 1801204), (22, 900602), (44, 450301)]