19869687

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 30476160

約数和(自身を除く): 10606473

約数列:

[1, 3, 9, 19, 57, 131, 171, 393, 887, 1179, 2489, 2661, 7467, 7983, 16853, 22401, 50559, 116197, 151677, 348591, 1045773, 2207743, 6623229, 19869687]

約数ペア:

[(1, 19869687), (3, 6623229), (9, 2207743), (19, 1045773), (57, 348591), (131, 151677), (171, 116197), (393, 50559), (887, 22401), (1179, 16853), (2489, 7983), (2661, 7467)]