19949950

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2089}}^1$

素因数の和:2292

約数の個数: 24

約数和(自身を含む): 37319040

約数和(自身を除く): 17369090

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2089, 4178, 4775, 9550, 10445, 20890, 52225, 104450, 398999, 797998, 1994995, 3989990, 9974975, 19949950]

約数ペア:

[(1, 19949950), (2, 9974975), (5, 3989990), (10, 1994995), (25, 797998), (50, 398999), (191, 104450), (382, 52225), (955, 20890), (1910, 10445), (2089, 9550), (4178, 4775)]