19803572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1609}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 36920520

約数和(自身を除く): 17116948

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1609, 3077, 3218, 6154, 6436, 12308, 27353, 54706, 109412, 291229, 582458, 1164916, 4950893, 9901786, 19803572]

約数ペア:

[(1, 19803572), (2, 9901786), (4, 4950893), (17, 1164916), (34, 582458), (68, 291229), (181, 109412), (362, 54706), (724, 27353), (1609, 12308), (3077, 6436), (3218, 6154)]