19815117

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4889}}^1$

素因数の和:5092

約数の個数: 16

約数和(自身を含む): 30357120

約数和(自身を除く): 10542003

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4889, 14667, 34223, 102669, 943577, 2830731, 6605039, 19815117]

約数ペア:

[(1, 19815117), (3, 6605039), (7, 2830731), (21, 943577), (193, 102669), (579, 34223), (1351, 14667), (4053, 4889)]