19318340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10853}}^1$

素因数の和:10951

約数の個数: 24

約数和(自身を含む): 41028120

約数和(自身を除く): 21709780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10853, 21706, 43412, 54265, 108530, 217060, 965917, 1931834, 3863668, 4829585, 9659170, 19318340]

約数ペア:

[(1, 19318340), (2, 9659170), (4, 4829585), (5, 3863668), (10, 1931834), (20, 965917), (89, 217060), (178, 108530), (356, 54265), (445, 43412), (890, 21706), (1780, 10853)]