19274368141

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{639007}}^1$

素因数の和:639184

約数の個数: 16

約数和(自身を含む): 22902046720

約数和(自身を除く): 3627678579

約数列:

[1, 7, 31, 139, 217, 973, 4309, 30163, 639007, 4473049, 19809217, 88821973, 138664519, 621753811, 2753481163, 19274368141]

約数ペア:

[(1, 19274368141), (7, 2753481163), (31, 621753811), (139, 138664519), (217, 88821973), (973, 19809217), (4309, 4473049), (30163, 639007)]