19864306

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18427}}^1$

素因数の和:18454

約数の個数: 24

約数和(自身を含む): 37814256

約数和(自身を除く): 17949950

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18427, 36854, 128989, 202697, 257978, 405394, 902923, 1418879, 1805846, 2837758, 9932153, 19864306]

約数ペア:

[(1, 19864306), (2, 9932153), (7, 2837758), (11, 1805846), (14, 1418879), (22, 902923), (49, 405394), (77, 257978), (98, 202697), (154, 128989), (539, 36854), (1078, 18427)]