19957300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18143}}^1$

素因数の和:18168

約数の個数: 36

約数和(自身を含む): 47246976

約数和(自身を除く): 27289676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18143, 36286, 72572, 90715, 181430, 199573, 362860, 399146, 453575, 798292, 907150, 997865, 1814300, 1995730, 3991460, 4989325, 9978650, 19957300]

約数ペア:

[(1, 19957300), (2, 9978650), (4, 4989325), (5, 3991460), (10, 1995730), (11, 1814300), (20, 997865), (22, 907150), (25, 798292), (44, 453575), (50, 399146), (55, 362860), (100, 199573), (110, 181430), (220, 90715), (275, 72572), (550, 36286), (1100, 18143)]