19858234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4987}}^1$

素因数の和:5181

約数の個数: 16

約数和(自身を含む): 32681376

約数和(自身を除く): 12823142

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 4987, 9974, 54857, 109714, 902647, 1805294, 9929117, 19858234]

約数ペア:

[(1, 19858234), (2, 9929117), (11, 1805294), (22, 902647), (181, 109714), (362, 54857), (1991, 9974), (3982, 4987)]