18378420478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20375189}}^1$

素因数の和:20375243

約数の個数: 16

約数和(自身を含む): 30807287280

約数和(自身を除く): 12428866802

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20375189, 40750378, 224127079, 448254158, 835382749, 1670765498, 9189210239, 18378420478]

約数ペア:

[(1, 18378420478), (2, 9189210239), (11, 1670765498), (22, 835382749), (41, 448254158), (82, 224127079), (451, 40750378), (902, 20375189)]