19638850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5101}}^1$

素因数の和:5131

約数の個数: 48

約数和(自身を含む): 45550656

約数和(自身を除く): 25911806

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5101, 10202, 25505, 35707, 51010, 56111, 71414, 112222, 127525, 178535, 255050, 280555, 357070, 392777, 561110, 785554, 892675, 1402775, 1785350, 1963885, 2805550, 3927770, 9819425, 19638850]

約数ペア:

[(1, 19638850), (2, 9819425), (5, 3927770), (7, 2805550), (10, 1963885), (11, 1785350), (14, 1402775), (22, 892675), (25, 785554), (35, 561110), (50, 392777), (55, 357070), (70, 280555), (77, 255050), (110, 178535), (154, 127525), (175, 112222), (275, 71414), (350, 56111), (385, 51010), (550, 35707), (770, 25505), (1925, 10202), (3850, 5101)]