18771867

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 28770560

約数和(自身を除く): 9998693

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 727, 1359, 2181, 2869, 6543, 8607, 13813, 25821, 41439, 109777, 124317, 329331, 987993, 2085763, 6257289, 18771867]

約数ペア:

[(1, 18771867), (3, 6257289), (9, 2085763), (19, 987993), (57, 329331), (151, 124317), (171, 109777), (453, 41439), (727, 25821), (1359, 13813), (2181, 8607), (2869, 6543)]