18021052

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27983}}^1$

素因数の和:28017

約数の個数: 24

約数和(自身を含む): 37610496

約数和(自身を除く): 19589444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 27983, 55966, 111932, 195881, 391762, 643609, 783524, 1287218, 2574436, 4505263, 9010526, 18021052]

約数ペア:

[(1, 18021052), (2, 9010526), (4, 4505263), (7, 2574436), (14, 1287218), (23, 783524), (28, 643609), (46, 391762), (92, 195881), (161, 111932), (322, 55966), (644, 27983)]