17986454

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:991

約数の個数: 16

約数和(自身を含む): 27757296

約数和(自身を除く): 9770842

約数列:

[1, 2, 41, 82, 401, 547, 802, 1094, 16441, 22427, 32882, 44854, 219347, 438694, 8993227, 17986454]

約数ペア:

[(1, 17986454), (2, 8993227), (41, 438694), (82, 219347), (401, 44854), (547, 32882), (802, 22427), (1094, 16441)]