19572560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4993}}^1$

素因数の和:5020

約数の個数: 60

約数和(自身を含む): 52946388

約数和(自身を除く): 33373828

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4993, 9986, 19972, 24965, 34951, 39944, 49930, 69902, 79888, 99860, 139804, 174755, 199720, 244657, 279608, 349510, 399440, 489314, 559216, 699020, 978628, 1223285, 1398040, 1957256, 2446570, 2796080, 3914512, 4893140, 9786280, 19572560]

約数ペア:

[(1, 19572560), (2, 9786280), (4, 4893140), (5, 3914512), (7, 2796080), (8, 2446570), (10, 1957256), (14, 1398040), (16, 1223285), (20, 978628), (28, 699020), (35, 559216), (40, 489314), (49, 399440), (56, 349510), (70, 279608), (80, 244657), (98, 199720), (112, 174755), (140, 139804), (196, 99860), (245, 79888), (280, 69902), (392, 49930), (490, 39944), (560, 34951), (784, 24965), (980, 19972), (1960, 9986), (3920, 4993)]