19704420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109469}}^1$

素因数の和:109484

約数の個数: 36

約数和(自身を含む): 59770620

約数和(自身を除く): 40066200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109469, 218938, 328407, 437876, 547345, 656814, 985221, 1094690, 1313628, 1642035, 1970442, 2189380, 3284070, 3940884, 4926105, 6568140, 9852210, 19704420]

約数ペア:

[(1, 19704420), (2, 9852210), (3, 6568140), (4, 4926105), (5, 3940884), (6, 3284070), (9, 2189380), (10, 1970442), (12, 1642035), (15, 1313628), (18, 1094690), (20, 985221), (30, 656814), (36, 547345), (45, 437876), (60, 328407), (90, 218938), (180, 109469)]