19151709

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5237}}^1$

素因数の和:5316

約数の個数: 16

約数和(自身を含む): 27153792

約数和(自身を除く): 8002083

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5237, 15711, 120451, 277561, 361353, 832683, 6383903, 19151709]

約数ペア:

[(1, 19151709), (3, 6383903), (23, 832683), (53, 361353), (69, 277561), (159, 120451), (1219, 15711), (3657, 5237)]