19397007

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2039}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 32248320

約数和(自身を除く): 12851313

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 2039, 3171, 6117, 9513, 14273, 18351, 42819, 128457, 307889, 923667, 2155223, 2771001, 6465669, 19397007]

約数ペア:

[(1, 19397007), (3, 6465669), (7, 2771001), (9, 2155223), (21, 923667), (63, 307889), (151, 128457), (453, 42819), (1057, 18351), (1359, 14273), (2039, 9513), (3171, 6117)]