19517197

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 23473152

約数和(自身を除く): 3955955

約数列:

[1, 7, 31, 53, 217, 371, 1643, 1697, 11501, 11879, 52607, 89941, 368249, 629587, 2788171, 19517197]

約数ペア:

[(1, 19517197), (7, 2788171), (31, 629587), (53, 368249), (217, 89941), (371, 52607), (1643, 11879), (1697, 11501)]