19201930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{769}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 18719030

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 769, 1135, 1538, 2270, 2497, 3845, 4994, 7690, 8459, 12485, 16918, 24970, 42295, 84590, 174563, 349126, 872815, 1745630, 1920193, 3840386, 9600965, 19201930]

約数ペア:

[(1, 19201930), (2, 9600965), (5, 3840386), (10, 1920193), (11, 1745630), (22, 872815), (55, 349126), (110, 174563), (227, 84590), (454, 42295), (769, 24970), (1135, 16918), (1538, 12485), (2270, 8459), (2497, 7690), (3845, 4994)]