19154140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7541}}^1$

素因数の和:7677

約数の個数: 24

約数和(自身を含む): 40545792

約数和(自身を除く): 21391652

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7541, 15082, 30164, 37705, 75410, 150820, 957707, 1915414, 3830828, 4788535, 9577070, 19154140]

約数ペア:

[(1, 19154140), (2, 9577070), (4, 4788535), (5, 3830828), (10, 1915414), (20, 957707), (127, 150820), (254, 75410), (508, 37705), (635, 30164), (1270, 15082), (2540, 7541)]