18779458

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{859}}^1$

素因数の和:1521

約数の個数: 16

約数和(自身を含む): 29907360

約数和(自身を除く): 11127902

約数列:

[1, 2, 17, 34, 643, 859, 1286, 1718, 10931, 14603, 21862, 29206, 552337, 1104674, 9389729, 18779458]

約数ペア:

[(1, 18779458), (2, 9389729), (17, 1104674), (34, 552337), (643, 29206), (859, 21862), (1286, 14603), (1718, 10931)]