18282860

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1237}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 38477040

約数和(自身を除く): 20194180

約数列:

[1, 2, 4, 5, 10, 20, 739, 1237, 1478, 2474, 2956, 3695, 4948, 6185, 7390, 12370, 14780, 24740, 914143, 1828286, 3656572, 4570715, 9141430, 18282860]

約数ペア:

[(1, 18282860), (2, 9141430), (4, 4570715), (5, 3656572), (10, 1828286), (20, 914143), (739, 24740), (1237, 14780), (1478, 12370), (2474, 7390), (2956, 6185), (3695, 4948)]