19930679

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 21326208

約数和(自身を除く): 1395529

約数列:

[1, 37, 47, 73, 157, 1739, 2701, 3431, 5809, 7379, 11461, 126947, 273023, 424057, 538667, 19930679]

約数ペア:

[(1, 19930679), (37, 538667), (47, 424057), (73, 273023), (157, 126947), (1739, 11461), (2701, 7379), (3431, 5809)]