18853017

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 27885312

約数和(自身を除く): 9032295

約数列:

[1, 3, 17, 37, 51, 97, 103, 111, 291, 309, 629, 1649, 1751, 1887, 3589, 3811, 4947, 5253, 9991, 10767, 11433, 29973, 61013, 64787, 169847, 183039, 194361, 369667, 509541, 1109001, 6284339, 18853017]

約数ペア:

[(1, 18853017), (3, 6284339), (17, 1109001), (37, 509541), (51, 369667), (97, 194361), (103, 183039), (111, 169847), (291, 64787), (309, 61013), (629, 29973), (1649, 11433), (1751, 10767), (1887, 9991), (3589, 5253), (3811, 4947)]