19494440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69623}}^1$

素因数の和:69641

約数の個数: 32

約数和(自身を含む): 50129280

約数和(自身を除く): 30634840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69623, 139246, 278492, 348115, 487361, 556984, 696230, 974722, 1392460, 1949444, 2436805, 2784920, 3898888, 4873610, 9747220, 19494440]

約数ペア:

[(1, 19494440), (2, 9747220), (4, 4873610), (5, 3898888), (7, 2784920), (8, 2436805), (10, 1949444), (14, 1392460), (20, 974722), (28, 696230), (35, 556984), (40, 487361), (56, 348115), (70, 278492), (140, 139246), (280, 69623)]