19457480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69491}}^1$

素因数の和:69509

約数の個数: 32

約数和(自身を含む): 50034240

約数和(自身を除く): 30576760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69491, 138982, 277964, 347455, 486437, 555928, 694910, 972874, 1389820, 1945748, 2432185, 2779640, 3891496, 4864370, 9728740, 19457480]

約数ペア:

[(1, 19457480), (2, 9728740), (4, 4864370), (5, 3891496), (7, 2779640), (8, 2432185), (10, 1945748), (14, 1389820), (20, 972874), (28, 694910), (35, 555928), (40, 486437), (56, 347455), (70, 277964), (140, 138982), (280, 69491)]