19228580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2803}}^1$

素因数の和:2833

約数の個数: 48

約数和(自身を含む): 47107200

約数和(自身を除く): 27878620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2803, 3430, 5606, 6860, 11212, 14015, 19621, 28030, 39242, 56060, 78484, 98105, 137347, 196210, 274694, 392420, 549388, 686735, 961429, 1373470, 1922858, 2746940, 3845716, 4807145, 9614290, 19228580]

約数ペア:

[(1, 19228580), (2, 9614290), (4, 4807145), (5, 3845716), (7, 2746940), (10, 1922858), (14, 1373470), (20, 961429), (28, 686735), (35, 549388), (49, 392420), (70, 274694), (98, 196210), (140, 137347), (196, 98105), (245, 78484), (343, 56060), (490, 39242), (686, 28030), (980, 19621), (1372, 14015), (1715, 11212), (2803, 6860), (3430, 5606)]