19800484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450011}}^1$

素因数の和:450026

約数の個数: 12

約数和(自身を含む): 37801008

約数和(自身を除く): 18000524

約数列:

[1, 2, 4, 11, 22, 44, 450011, 900022, 1800044, 4950121, 9900242, 19800484]

約数ペア:

[(1, 19800484), (2, 9900242), (4, 4950121), (11, 1800044), (22, 900022), (44, 450011)]