199906190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{49117}}^1$

素因数の和:49172

約数の個数: 32

約数和(自身を含む): 403160544

約数和(自身を除く): 203254354

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 49117, 98234, 245585, 491170, 540287, 1080574, 1817329, 2701435, 3634658, 5402870, 9086645, 18173290, 19990619, 39981238, 99953095, 199906190]

約数ペア:

[(1, 199906190), (2, 99953095), (5, 39981238), (10, 19990619), (11, 18173290), (22, 9086645), (37, 5402870), (55, 3634658), (74, 2701435), (110, 1817329), (185, 1080574), (370, 540287), (407, 491170), (814, 245585), (2035, 98234), (4070, 49117)]