18878072

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{81371}}^1$

素因数の和:81406

約数の個数: 16

約数和(自身を含む): 36617400

約数和(自身を除く): 17739328

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 81371, 162742, 325484, 650968, 2359759, 4719518, 9439036, 18878072]

約数ペア:

[(1, 18878072), (2, 9439036), (4, 4719518), (8, 2359759), (29, 650968), (58, 325484), (116, 162742), (232, 81371)]