1989548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 3843840

約数和(自身を除く): 1854292

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 439, 878, 1133, 1756, 2266, 4532, 4829, 9658, 19316, 45217, 90434, 180868, 497387, 994774, 1989548]

約数ペア:

[(1, 1989548), (2, 994774), (4, 497387), (11, 180868), (22, 90434), (44, 45217), (103, 19316), (206, 9658), (412, 4829), (439, 4532), (878, 2266), (1133, 1756)]