19852250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7219}}^1$

素因数の和:7247

約数の個数: 32

約数和(自身を含む): 40547520

約数和(自身を除く): 20695270

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7219, 14438, 36095, 72190, 79409, 158818, 180475, 360950, 397045, 794090, 902375, 1804750, 1985225, 3970450, 9926125, 19852250]

約数ペア:

[(1, 19852250), (2, 9926125), (5, 3970450), (10, 1985225), (11, 1804750), (22, 902375), (25, 794090), (50, 397045), (55, 360950), (110, 180475), (125, 158818), (250, 79409), (275, 72190), (550, 36095), (1375, 14438), (2750, 7219)]