19142221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5189}}^1$

素因数の和:5244

約数の個数: 16

約数和(自身を含む): 23915520

約数和(自身を除く): 4773299

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5189, 36323, 88213, 160859, 617491, 1126013, 2734603, 19142221]

約数ペア:

[(1, 19142221), (7, 2734603), (17, 1126013), (31, 617491), (119, 160859), (217, 88213), (527, 36323), (3689, 5189)]