18052013

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2108

約数の個数: 16

約数和(自身を含む): 21826560

約数和(自身を除く): 3774547

約数列:

[1, 7, 31, 41, 217, 287, 1271, 2029, 8897, 14203, 62899, 83189, 440293, 582323, 2578859, 18052013]

約数ペア:

[(1, 18052013), (7, 2578859), (31, 582323), (41, 440293), (217, 83189), (287, 62899), (1271, 14203), (2029, 8897)]