2018722748

素因数分解:

$2^2\times 7^1\times {\mathrm{4139}}^1\times {\mathrm{17419}}^1$

素因数の和:21569

約数の個数: 24

約数和(自身を含む): 4038652800

約数和(自身を除く): 2019930052

約数列:

[1, 2, 4, 7, 14, 28, 4139, 8278, 16556, 17419, 28973, 34838, 57946, 69676, 115892, 121933, 243866, 487732, 72097241, 144194482, 288388964, 504680687, 1009361374, 2018722748]

約数ペア:

[(1, 2018722748), (2, 1009361374), (4, 504680687), (7, 288388964), (14, 144194482), (28, 72097241), (4139, 487732), (8278, 243866), (16556, 121933), (17419, 115892), (28973, 69676), (34838, 57946)]