18684514

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 28693440

約数和(自身を除く): 10008926

約数列:

[1, 2, 53, 106, 359, 491, 718, 982, 19027, 26023, 38054, 52046, 176269, 352538, 9342257, 18684514]

約数ペア:

[(1, 18684514), (2, 9342257), (53, 352538), (106, 176269), (359, 52046), (491, 38054), (718, 26023), (982, 19027)]