1989812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 3894912

約数和(自身を除く): 1905100

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1103, 1804, 2206, 4412, 12133, 24266, 45223, 48532, 90446, 180892, 497453, 994906, 1989812]

約数ペア:

[(1, 1989812), (2, 994906), (4, 497453), (11, 180892), (22, 90446), (41, 48532), (44, 45223), (82, 24266), (164, 12133), (451, 4412), (902, 2206), (1103, 1804)]