18897153

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30139}}^1$

素因数の和:30172

約数の個数: 16

約数和(自身を含む): 28934400

約数和(自身を除く): 10037247

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 30139, 90417, 331529, 572641, 994587, 1717923, 6299051, 18897153]

約数ペア:

[(1, 18897153), (3, 6299051), (11, 1717923), (19, 994587), (33, 572641), (57, 331529), (209, 90417), (627, 30139)]