19880950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13711}}^1$

素因数の和:13752

約数の個数: 24

約数和(自身を含む): 38256480

約数和(自身を除く): 18375530

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13711, 27422, 68555, 137110, 342775, 397619, 685550, 795238, 1988095, 3976190, 9940475, 19880950]

約数ペア:

[(1, 19880950), (2, 9940475), (5, 3976190), (10, 1988095), (25, 795238), (29, 685550), (50, 397619), (58, 342775), (145, 137110), (290, 68555), (725, 27422), (1450, 13711)]