19898669

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1181}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 23829120

約数和(自身を除く): 3930451

約数列:

[1, 7, 29, 83, 203, 581, 1181, 2407, 8267, 16849, 34249, 98023, 239743, 686161, 2842667, 19898669]

約数ペア:

[(1, 19898669), (7, 2842667), (29, 686161), (83, 239743), (203, 98023), (581, 34249), (1181, 16849), (2407, 8267)]