19157258

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 29211840

約数和(自身を除く): 10054582

約数列:

[1, 2, 137, 139, 274, 278, 503, 1006, 19043, 38086, 68911, 69917, 137822, 139834, 9578629, 19157258]

約数ペア:

[(1, 19157258), (2, 9578629), (137, 139834), (139, 137822), (274, 69917), (278, 68911), (503, 38086), (1006, 19043)]