18803668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{839}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 16758572

約数列:

[1, 2, 4, 13, 26, 52, 431, 839, 862, 1678, 1724, 3356, 5603, 10907, 11206, 21814, 22412, 43628, 361609, 723218, 1446436, 4700917, 9401834, 18803668]

約数ペア:

[(1, 18803668), (2, 9401834), (4, 4700917), (13, 1446436), (26, 723218), (52, 361609), (431, 43628), (839, 22412), (862, 21814), (1678, 11206), (1724, 10907), (3356, 5603)]