19522013

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 22915200

約数和(自身を除く): 3393187

約数列:

[1, 7, 61, 131, 349, 427, 917, 2443, 7991, 21289, 45719, 55937, 149023, 320033, 2788859, 19522013]

約数ペア:

[(1, 19522013), (7, 2788859), (61, 320033), (131, 149023), (349, 55937), (427, 45719), (917, 21289), (2443, 7991)]