18504920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66089}}^1$

素因数の和:66107

約数の個数: 32

約数和(自身を含む): 47584800

約数和(自身を除く): 29079880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66089, 132178, 264356, 330445, 462623, 528712, 660890, 925246, 1321780, 1850492, 2313115, 2643560, 3700984, 4626230, 9252460, 18504920]

約数ペア:

[(1, 18504920), (2, 9252460), (4, 4626230), (5, 3700984), (7, 2643560), (8, 2313115), (10, 1850492), (14, 1321780), (20, 925246), (28, 660890), (35, 528712), (40, 462623), (56, 330445), (70, 264356), (140, 132178), (280, 66089)]