19493019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23801}}^1$

素因数の和:23827

約数の個数: 24

約数和(自身を含む): 34655712

約数和(自身を除く): 15162693

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23801, 71403, 166607, 214209, 309413, 499821, 928239, 1499463, 2165891, 2784717, 6497673, 19493019]

約数ペア:

[(1, 19493019), (3, 6497673), (7, 2784717), (9, 2165891), (13, 1499463), (21, 928239), (39, 499821), (63, 309413), (91, 214209), (117, 166607), (273, 71403), (819, 23801)]