19249720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68749}}^1$

素因数の和:68767

約数の個数: 32

約数和(自身を含む): 49500000

約数和(自身を除く): 30250280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68749, 137498, 274996, 343745, 481243, 549992, 687490, 962486, 1374980, 1924972, 2406215, 2749960, 3849944, 4812430, 9624860, 19249720]

約数ペア:

[(1, 19249720), (2, 9624860), (4, 4812430), (5, 3849944), (7, 2749960), (8, 2406215), (10, 1924972), (14, 1374980), (20, 962486), (28, 687490), (35, 549992), (40, 481243), (56, 343745), (70, 274996), (140, 137498), (280, 68749)]