19817210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2803}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 41185152

約数和(自身を除く): 21367942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 2803, 3535, 5606, 7070, 14015, 19621, 28030, 39242, 98105, 196210, 283103, 566206, 1415515, 1981721, 2831030, 3963442, 9908605, 19817210]

約数ペア:

[(1, 19817210), (2, 9908605), (5, 3963442), (7, 2831030), (10, 1981721), (14, 1415515), (35, 566206), (70, 283103), (101, 196210), (202, 98105), (505, 39242), (707, 28030), (1010, 19621), (1414, 14015), (2803, 7070), (3535, 5606)]