19210737

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5413}}^1$

素因数の和:5449

約数の個数: 24

約数和(自身を含む): 31704384

約数和(自身を除く): 12493647

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5413, 16239, 37891, 70369, 113673, 211107, 492583, 914797, 1477749, 2744391, 6403579, 19210737]

約数ペア:

[(1, 19210737), (3, 6403579), (7, 2744391), (13, 1477749), (21, 914797), (39, 492583), (91, 211107), (169, 113673), (273, 70369), (507, 37891), (1183, 16239), (3549, 5413)]