18898900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11117}}^1$

素因数の和:11148

約数の個数: 36

約数和(自身を含む): 43426908

約数和(自身を除く): 24528008

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11117, 22234, 44468, 55585, 111170, 188989, 222340, 277925, 377978, 555850, 755956, 944945, 1111700, 1889890, 3779780, 4724725, 9449450, 18898900]

約数ペア:

[(1, 18898900), (2, 9449450), (4, 4724725), (5, 3779780), (10, 1889890), (17, 1111700), (20, 944945), (25, 755956), (34, 555850), (50, 377978), (68, 277925), (85, 222340), (100, 188989), (170, 111170), (340, 55585), (425, 44468), (850, 22234), (1700, 11117)]