19805030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14891}}^1$

素因数の和:14924

約数の個数: 32

約数和(自身を含む): 42888960

約数和(自身を除く): 23083930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 14891, 29782, 74455, 104237, 148910, 208474, 282929, 521185, 565858, 1042370, 1414645, 1980503, 2829290, 3961006, 9902515, 19805030]

約数ペア:

[(1, 19805030), (2, 9902515), (5, 3961006), (7, 2829290), (10, 1980503), (14, 1414645), (19, 1042370), (35, 565858), (38, 521185), (70, 282929), (95, 208474), (133, 148910), (190, 104237), (266, 74455), (665, 29782), (1330, 14891)]