19976275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4273}}^1$

素因数の和:4311

約数の個数: 24

約数和(自身を含む): 28618704

約数和(自身を除く): 8642429

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4273, 4675, 21365, 47003, 72641, 106825, 235015, 363205, 799051, 1175075, 1816025, 3995255, 19976275]

約数ペア:

[(1, 19976275), (5, 3995255), (11, 1816025), (17, 1175075), (25, 799051), (55, 363205), (85, 235015), (187, 106825), (275, 72641), (425, 47003), (935, 21365), (4273, 4675)]