16853870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 35163072

約数和(自身を除く): 18309202

約数列:

[1, 2, 5, 10, 11, 22, 37, 41, 55, 74, 82, 101, 110, 185, 202, 205, 370, 407, 410, 451, 505, 814, 902, 1010, 1111, 1517, 2035, 2222, 2255, 3034, 3737, 4070, 4141, 4510, 5555, 7474, 7585, 8282, 11110, 15170, 16687, 18685, 20705, 33374, 37370, 41107, 41410, 45551, 82214, 83435, 91102, 153217, 166870, 205535, 227755, 306434, 411070, 455510, 766085, 1532170, 1685387, 3370774, 8426935, 16853870]

約数ペア:

[(1, 16853870), (2, 8426935), (5, 3370774), (10, 1685387), (11, 1532170), (22, 766085), (37, 455510), (41, 411070), (55, 306434), (74, 227755), (82, 205535), (101, 166870), (110, 153217), (185, 91102), (202, 83435), (205, 82214), (370, 45551), (407, 41410), (410, 41107), (451, 37370), (505, 33374), (814, 20705), (902, 18685), (1010, 16687), (1111, 15170), (1517, 11110), (2035, 8282), (2222, 7585), (2255, 7474), (3034, 5555), (3737, 4510), (4070, 4141)]