19997873

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 23829120

約数和(自身を除く): 3831247

約数列:

[1, 7, 41, 59, 287, 413, 1181, 2419, 8267, 16933, 48421, 69679, 338947, 487753, 2856839, 19997873]

約数ペア:

[(1, 19997873), (7, 2856839), (41, 487753), (59, 338947), (287, 69679), (413, 48421), (1181, 16933), (2419, 8267)]