17890768

素因数分解:

$2^4\times 7^1\times {\mathrm{159739}}^1$

素因数の和:159754

約数の個数: 20

約数和(自身を含む): 39615520

約数和(自身を除く): 21724752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 159739, 319478, 638956, 1118173, 1277912, 2236346, 2555824, 4472692, 8945384, 17890768]

約数ペア:

[(1, 17890768), (2, 8945384), (4, 4472692), (7, 2555824), (8, 2236346), (14, 1277912), (16, 1118173), (28, 638956), (56, 319478), (112, 159739)]