19410139

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22784256

約数和(自身を除く): 3374117

約数列:

[1, 7, 61, 131, 347, 427, 917, 2429, 7991, 21167, 45457, 55937, 148169, 318199, 2772877, 19410139]

約数ペア:

[(1, 19410139), (7, 2772877), (61, 318199), (131, 148169), (347, 55937), (427, 45457), (917, 21167), (2429, 7991)]