19722660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1721}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 55544832

約数和(自身を除く): 35822172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1721, 1910, 2292, 2865, 3442, 3820, 5163, 5730, 6884, 8605, 10326, 11460, 17210, 20652, 25815, 34420, 51630, 103260, 328711, 657422, 986133, 1314844, 1643555, 1972266, 3287110, 3944532, 4930665, 6574220, 9861330, 19722660]

約数ペア:

[(1, 19722660), (2, 9861330), (3, 6574220), (4, 4930665), (5, 3944532), (6, 3287110), (10, 1972266), (12, 1643555), (15, 1314844), (20, 986133), (30, 657422), (60, 328711), (191, 103260), (382, 51630), (573, 34420), (764, 25815), (955, 20652), (1146, 17210), (1721, 11460), (1910, 10326), (2292, 8605), (2865, 6884), (3442, 5730), (3820, 5163)]