19804532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450103}}^1$

素因数の和:450118

約数の個数: 12

約数和(自身を含む): 37808736

約数和(自身を除く): 18004204

約数列:

[1, 2, 4, 11, 22, 44, 450103, 900206, 1800412, 4951133, 9902266, 19804532]

約数ペア:

[(1, 19804532), (2, 9902266), (4, 4951133), (11, 1800412), (22, 900206), (44, 450103)]