19002820

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{997}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 39987864

約数和(自身を除く): 20985044

約数列:

[1, 2, 4, 5, 10, 20, 953, 997, 1906, 1994, 3812, 3988, 4765, 4985, 9530, 9970, 19060, 19940, 950141, 1900282, 3800564, 4750705, 9501410, 19002820]

約数ペア:

[(1, 19002820), (2, 9501410), (4, 4750705), (5, 3800564), (10, 1900282), (20, 950141), (953, 19940), (997, 19060), (1906, 9970), (1994, 9530), (3812, 4985), (3988, 4765)]